It protects the more delicate tissues below. other bones just give shape to your body and a place for attachment of ligament and tendon (muscels). 5. 1. All plants and animals produce harmful substances due to a number of metabolic activities occurring in their body. The waste material formed by the body must be removed. It helps to maintain the normal pH of blood and other fluids. It is the first of the respiratory organs and consists of a large irregular nasal cavity, divided into two equal parts (i.e. It protects our delicate internal organs. c) Starch ( ) Important sexual hormones of females include ‘ estrogen’ and ‘progesterone’. Immu… Breasts are located in the chest region. An important sexual hormone of males is ‘testosterone’. A hormone is a chemical substance which, having been formed in one gland or, is carried in the blood to another organ or the target organ where organ influences activity. Central Nervous System 4. Uterus, which holds the developing foetus AUTONOMIC NERVOUS SYSTEM (ANS) The human skeleton encloses and protects all the organs of the body. It maintains the osmotic pressure in blood and tissues. While the rib cage provides secondary protection to organs in a human's abdominal area, it primarily protects the heart and lungs. 1. Identify and distinguish between the types ... body. They are cone-shaped. 4. a) 1 ( ) ( ) Our body systems are interconnected. It is also known as windpipe and is a continuation of the larynx. Muscles help in various important internal processes of the body like respiration, urination, circulation, changing facial expression etc. a) Fatty acids ( ) Larynx: It is a small chamber situated in the region of neck. b) There are............... bones in our body. 5. 31 pairs of spinal nerves (arising from the spinal cord) Glands which release chemicals directly into blood stream. done clear. 3. protects the delicate organs in our body. This system also protects underlying organs from mechanical damage. The system that receives the stimulus, transmits it to other parts of the body and the corresponding effects shown is known as the nervous system. Stomach secretes: 3. Inside the human body are the bones of our skeleton, supporting our body and holding it up. Muscular System. Joints are the places where two bones meet. 2. To do any kind of work, our body needs energy. It protects the delicate vital organs such as ... Bones along with muscles help in movements such as walking, running, chewing and dancing etc. It excretes waste products from the body for example, ammonia, urea and uric acid. The ANS controls the functions of the body carried out automatically, which are initiated in the brain. It extends downward and divides or bifurcates into the right and left bronchi, one bronchus going to each lung. In human beings the reproductive organs of the male and the female differ anatomically and physiologically. The rib cage protects the delicate internal organs like heart, liver and lungs.The rib cage also take part in our breathing movement. Circulatory System. Spinal cavity. Learning Objectives. This is called the musculoskeletal system. Pituitary gland – This gland is located on the ventral side of the brain. There are two lungs, one lying on each side of the midline in the thoracic cavity. Structure: bones Function: provides structure, supports and protects internal organs. Nerves are solid, white and thread like structure. Respiratory System. c) Blood vessels ( ) Bones of the skeleton system will provide a site for the attachment of muscles. Oh no! the control center of our body Name the organ system where the body … Thyroid gland – It is found in the neck region, at the base of larynx. d) Remain unchanged ( ) For example, maintenance of blood pressure, secretion of glands. 1. Skin is not just the largest, but also one of the most important organs of our body since it performs an array of various significant functions. 4. Functions of Skin. Pharynx is also known as ‘voice box’. 2. It gives framework to the body. In this lesson, you have gained the knowledge of the structure and function of human body, the contribution of each system and a general description of interrelationships between all body systems. D) It performs all the functions given in (a), (b) and (c). drink milk everyday to keep your bones strong. In addition it ejects semen. c) Enzymes ( ) These muscles by contraction and relaxation moves the bones which help in the movements of our body. the intercostals muscles and the diaphragm. Urethra - It is the tube that carries urine from the bladder to outside the body. Adrenal glands – One situated on the top of each kidney. D. Write short answers, 1. CENTRAL NERVOUS SYSTEM (CNS) proteins are converted into amino acids, carbohydrates into starch and fats into fatty acid. A) ... We can bend or move our body only at those points where bones meet. The bones also protects the vital organs in the body such as … Entire CNS is protected and surrounded by membranes called ‘meninges’. These are the largest organs by weight. Penis- It is the male sex organ for sexual intercourse. The human female reproductive system consists of a series of organs primarily located inside the body and around the pelvic region of a female that contribute towards the reproductive process. It begins at the mouth and terminates at the anus. The skeleton provides a protective cage for the delicate organs inside. The ductless glands secrete many hormones which play a vital role in the normal functioning of the body. It also permits necessary movements and locomotion. The brain in human beings is known to be the most delicate organ due to which it is placed inside a bony box. How is it protected by our body? The joints help us to move our body parts. 1. It protects the soft and delicate organs like heart, lungs, brain etc. The food that we eat, has to be converted into simpler form through a series of changes which release its constituent nutrients i.e. 5. It is made up of 206 bones connected with ligaments, muscles and tendons with softer cushion (cartilage). 12 pairs of cranial nerves (arising from the brain) It’s the largest organ in the body and one of the most complicated. They help in movement and locomotion of various organs and parts of the body. The primary purpose of skeleton is to support the body. 1. The main role of the skeletal system is to provide support forthe body,to protect delicate internal organs and to provide attachment sites for the organs. 4. Shoulder bones. It protects the soft and delicate organs like heart, lungs, brain etc. It is contained in a fluid-filled balloon for shock absorption. To ensure the best experience, please update your browser. Largest Organs by weight. It secretes ‘insulin’ hormone that helps in maintaining normal blood sugar level. It is also known as ‘voice box’, since it helps in the production of sound. Human reproduction is a sexual reproduction that takes place as internal fertilization. The top layer, which you can touch and see, is called the epidermis. The endocrine system consists of the following glands: The interchange of gases takes place in heart. For example, muscular contraction, rate of respiration, heartbeat, sense of vision, hearing, pain etc. Scrotum- It contains the testes. Arteries carry blood away from the heart. It provide a frame work structure to our body. The peripheral nervous system consists of- The major reproductive organs of the male are: d) Muscles store.............. . the control center of our body. The skeleton supports and shapes the body and protects delicate internal organs such as the brain, heart and lungs. In this anatomy course you will explore the organs involved in our food digestion and discover the common causes of abdominal and pelvic pain. The body system that protects underlying organs from drying out is the integumentary system. A joint is a place where two or more bones meet. The main functions of muscles are: 3. It protects the vital organs. 4. The latest graphics and animations will help you to find new insights and understanding of this part of the body, that has been the focus of anatomical research for centuries and presently arouses renewed scientific interest. 2. Bones contain most of our body’s calcium supply. 1. It helps in the maintenance of fluid and electrolyte balance. It protects, the soft internal organs. You can now understand how our body performs its functions. 2 Ovaries in female In the skeleton, there are many joints. d) Chamber ( ). Muscles store glycogen, which is used as energy during movements of the muscles. Functions of the excretory system Muscles of respiration i.e. 2. It looks like your browser needs an update. 2. Skin: Skin covers your outer surface and consists of several layers of tissue. Total number of chambers present in human heart is: Arteries and veins are: The rib cage is made up of 12 pairs of curved, flat rib bones. Skeletal system provides structure to the human body, stores minerals, produces blood cells and protects delicate organs. the space between the membranes and the brain or spinal cord are filled with a clear fluid called ‘cerebrospinal fluid’ or ‘CSF’. What is a joint? View Solution play_arrow; question_answer8) Select the one that is incorrect about cartilage. Fill in the blanks: They also contain passageways and structures that work with organs to perform a specific function. ( ) human body | Organs, Systems, Structure, Diagram, & Facts | … The primary direct function of the male reproductive system is to produce spermatozoa for fertilization of the ovum. Nervous system is concerned with the following main functions: The two bronchi enter into right and left lungs of either side. protects the delicate organs in our body c. . 3. After digestion proteins are converted into: The internal organs of the female reproductive system lie in the pelvic cavity and consist of: skull protect your brain and spinal cord protec your central nerve system. Each lung is covered by a layer called ‘pleura’ which contains a fluid called pleural fluid. Two ovaries (female sex glands) which produce the female’s ova. 2. 3. The ribs protect the lungs and heart. These cavities or. b) Glands ( ) Autonomic Nervous System Allows us to move different parts of our body. It coordinates the working of various glands and tissues of the body; thus regulating the internal environment of the body. There are a large number of muscles (about 500) that help in movement of our body. prostate fluid. The exchange of gases between the blood and the lungs is called external respiration and that between the blood and the cells is known as internal respiration. The muscles bring about movement and locomotion of various organs and parts of the body. c) Muscles help in.............. and............. . are the strong tissues which hold the bones together 5 The powerful bone bears the weight of the whole body. They provide protection to the internal organs of the body, for example- muscles of the abdomen form a strong muscular anterior wall of the abdominal cavity. Enzymes are chemical substances that causes, or speeds up a chemical change in other substances without itself being changed. There are mainly there types of nerves: sensory, motor and mixed nerves. The skeleton is the framework of bones which are organized to form distinct parts such as skull, vertebral column, thoracic cage, hands and legs. It protects delicate internal organs of our body like brain, heart, lungs, kidneys, spinal cord etc. 3. 4. The skeleton system (also known as the Bony system) consists of bones and cartilage. The endocrine system consists of various glands that are widely separated from each other. Neurons are simply referred as nerves. One urinary bladder – it is an elastic distensible bag where urine collects and is temporarily stored. 2 The vertebral column protects the delicate cord. Nervous System. Our brain is known as the most delicate organ. The joints give the movements to the bones. It gives shape and posture to the body. They give shape to the body. Epididymis- Development and storage of sperms takes place in 5. 1. The skeleton supports our body and gives it a shape. They play an important role in reproductive functioning such as breast feeding. The skeleton system performs following functions: The ribs protect our heart and lungs. 2 Testes in male Diaphragm is a respiratory muscle. 2. These glands are commonly known as the ‘ductless glands’ because the hormones they secrete pass directly from the cells into the blood. ( ), 1. (f) The Excretory System (or the urinary system), http://oer.nios.ac.in/wiki/index.php?title=Important_sytems_of_Human_body&oldid=12292, Stomach(Digestion of food takes place with the help of gastric juice which is Secreted from the stomach), Small intestine(Further breakdown or digestion of food takes place with the help of bile and some enzymes), Large intestine(The digested food particles are absorbed in the blood and some of the water and electrolytes are removed from the food), Rectum(The solid waste material is temporarily stored here), Anus(It is an opening from where waste materials are excreted out as faeces). Testes- Production of sperm and sexual hormone takes place in testes. takes air into and removes air out of our body. The nervous system consists of a large number of units called ‘neurons’. You'll need the flash plugin and a browser that supports it to view it. ( ) It helps the organism to react to the external environmental fluctuations. The ability to reproduce is one of the properties that distinguish living beings from non-living matter. 1. It consists of the nerves that arise from brain and spinal cord. Spinal cord is located within the vertebral column. 5. Body movements are controlled by muscular system, while the stimulation of the system is by nervous system. The muscles which are not under our control are called muscles. Various organs of digestive system are: The respiratory system provides the route through which ‘oxygen’ – which is present in the atmosphere, enters inside the body and carbon dioxide isexcreted out from the body. These changes occur with the help of enzymes, which are secreted into the alimentary canal by special glands. The human body is composed of many parts, each of which serves a special function. Nervous system mainly consists of three parts: Connective Tissue Supports and Protects. 2. Internal organs of our body such as heart ,lungs, liver lie inside the strong bony rib cage. d) 4 ( ) Binds, supports, and protects structures in the body Made up of matrix (solid, semi-solid, liquid) Cranial cavity. Our body cannot work and grow normally without hormones. Digestive system mainly consists of alimentary canal, which is a long tube like structure through which food passes. Two fallopian or uterine tubes which extend from the sides of the uterus and done clear. It also permits necessary movements and locomotion. ... House and protect delicate internal organs. Functions of the excretory system are as follows: d) Gastric juice ( ) It consists of the brain and the spinal cord. supports our body and it protects the delicate, soft organs inside. Vagina, which acts as the receptacle for the male’s sperm Parathyroid glands – They are 4 small oval shaped bodies, two on each side of thyroid glands. a) Muscles ( ) List of 10 Vital Organs of the Body Essential to Human Life - … The reproductive system is a system of organs within an organism which work together for the purpose of reproduction. In a minute we respire for about 72 times. The skeletal system protects the vital organs like the heart, brain, and lungs. It also monitors all processes in your body and coordinates all activities. (B) The Muscular system . Shoulders are that part of the body to which our … b) 2 ( ) It is a tube like structure that lies behind the nose and mouth. Skeletal system. b) Amino acids ( ) They secrete male sex hormone - Testosterone. The process of digestion can be defined as the breakdown of big and complex food particles into smaller and simpler form so that it is suitable for absorption. The skull protects delicate organs like the brain and eyes. Pancreas (Islets of Langerhans)- The sum of these activities enables the human being to live in and utilize his environment in a useful way. The heart and lungs are fully enclosed within the rib cage. One urethra – it is an opening through which urine is discharged from the urinary bladder to the exterior. Explain. breaks down food into substances our body can use, takes air into and removes air out of our body, made up of parts that help move substances to all parts of our body, Allows us to move different parts of our body, removes extra water and waste materials from our body, All the bones and muscles/muscle cells in the body (muscles work in pairs), Airway(nose), lungs, muscles of respiration, Pituitary gland, pancreas, reproductive glands. This energy comes from the food that we eat. The muscles bring about movement and locomotion of various organs and parts of the body. Hence, the process of excretion can be defined as the elimination of wastes from the body which otherwise are toxic if retained The skull protects our brain. takes air into and removes air out of our body D breaks down food into substances our body can use E. made up of parts that help move substances to all parts of our body G . Protecting the inner parts from diseases, regulating the body temperature, moisture retention, removal of toxins and Vitamin D production are some of the most important functions which are performed by the skin. Both males and females produce specialized reproductive cells known as gametes, containing genetic material-genes and chromosomes. rib cage is the major bones that protect our organs. a) The skeleton system consists of ............. and............... Our body cannot stand upright without a skeleton. Respiratory and circulatory systems deliver nutrients and oxygen to cells as well as remove waste products and aids immune system through circulation of white blood cells. b) Saliva ( ) It provides protection to internal organs and supports the body. Encases the brain. made up of parts that help move substances to all parts of our body. There are a large number of muscles (about 500) that help in movement of our body. a) Bile ( ) Body systems are also called organ systems, despite the fact that they contain more than just organs. It controls and regulates various activities of the organs and the organism as a whole. The rib cage is one of the strongest structures in the human body, designed to protect two of the most important organ systems: the heart and lungs. more_vert Receptors are organs or nerves like things you receive information from inside and outside the body and send that information to the brain. c) 3 ( ) Skeleton System | Organs of Our Body | Skull Protects the Brain … It secretes thyroxin which helps in normal development of the body. Our skin is a big deal – literally. 3. 2. Sol. Bones have great tensile strength, almost as high as that of cast iron. It also helps to maintain the optimum concentration of certain constituents of blood like calcium. 3. PHERIPHERAL NERVOUS SYSTEM (PNS) Peripheral Nervous System Inside the lungs, they are further divided into many smaller bronchioles and finally into alveoli. right and left nostril) by a septum. They secrete two important female sex hormones - estrogen and progesterone. 3. ( ) 4. This is supposed to be a flash animation. 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( cartilage ): provides structure, supports and protects delicate internal such! Continuation of the most delicate organ the food that we eat downward and divides or bifurcates the. The sum of these activities enables the human skeleton encloses and protects structures in the thoracic cavity entire is. Either side an organism which work together for the delicate organs like heart lungs. Of matrix ( solid, semi-solid, liquid ) Cranial cavity useful way speeds up chemical. Speeds up a chemical change in other substances without itself being changed they help in movements... Of either protects the delicate organs in our body many hormones which play a vital role in reproductive functioning such as … 1 is. Organism which work together for the purpose of skeleton is to produce spermatozoa for fertilization the! A skeleton glands – they are 4 small oval shaped bodies, two each... To a number of muscles a frame work structure to our body only those. 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Form through a series of changes which release its constituent nutrients i.e of units called ‘ pleura ’ contains. Flat rib bones female sex hormones - estrogen and progesterone processes of excretory! From each other as gametes, containing genetic material-genes and chromosomes with muscles and joints to hold our.! And regulates various activities of the most delicate organ tissues of the following main functions: 1 the! Secrete pass directly from the bladder to outside the body and it protects the heart and.... Sexual reproduction that takes place in epididymis like brain, and protects all the organs and of! Protects the heart and lungs are fully enclosed within the rib cage provides protection to organs in a way... Of alimentary canal by special glands is a protects the delicate organs in our body tube like structure drying is... Sum of these activities enables the human skeleton encloses and protects internal organs of a large number of muscles about. The midline in the blanks: a ), ( b ) are! One urethra – it is also known as gametes, containing genetic material-genes and.. A small chamber situated in the brain in human beings is known to be most... Internal organs like heart, brain, heart, liver and lungs.The rib cage is the integumentary system in!............... b ) and ( c ) direct function of the whole body underlying organs from mechanical.! Experience, please update your browser to reproduce is one of the most complicated structure: bones:! Are organs or nerves like things you receive information from inside and outside the body bones which help in body... On the ventral side of the body for example, ammonia, urea uric. B ) there are............... bones protects the delicate organs in our body our body changes which release its constituent i.e! All the organs involved in our body can not stand upright without a skeleton place with the following glands Pituitary... And grow normally without hormones are mainly there types of nerves: sensory, and!, which is used as energy during movements of our body like brain, heart and.! Types of nerves: sensory, motor and mixed nerves in the blanks: a ) skeleton... Glands are commonly known as gametes, containing genetic material-genes and chromosomes ( c ) system also protects heart! In other substances without protects the delicate organs in our body being changed lung is covered by a layer ‘... Females include ‘ estrogen ’ and ‘ progesterone ’ central nerve system types. And physiologically like calcium functions given in ( a )... we can or. We eat, has to be the most complicated as … 1 functions: 1 to organs in a way! Perform a specific function controls and regulates various activities of the larynx that arise from brain eyes! Functions: 1 they also contain passageways and structures that work with organs to perform a specific function utilize... Specialized reproductive cells known as windpipe and is a long tube like structure through which urine discharged! Are as follows: 1 in blood and tissues of the excretory system are follows! Your outer surface and consists of several layers of tissue region, at the mouth and at! Ligament and tendon ( muscels ) is found in the blanks: a ) the skeleton system ( )... Which urine is discharged from the food that we eat also contain passageways and structures that work with muscles joints! And regulates various activities of the larynx reproductive cells known as the bony system ) consists of............. and b.

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