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IN BRIEF, and the, 1 . The brain, the spinal cord, , nerves, , form the, , backbone, , the, 2 . The skull protects our brain and, brain., Cerebrum is the largest part ofthe, , 3., 4., 5., , The spinal cord connects the bodywith, , system., , protects our spinal cord., , the brain, , ears, nose,, , nervous, , through the nerves., , tongue and skin., , There are five sense organs -eyes,, delicate. We must take care of our eyes., , 6 . Eyes are very, , sounds around us., , help us to hear the, on our face and is associated with sense of the smell., 8. Nose is the prominent part, food and helps us to speak., The tongue enables us to taste the, , 7., , Ears, , 9., 10. The skin is the outermost covering of our body., , 11. We should take proper care of our sense organs., , Exercises, Objective Type Questions, A. Give two examples of the following., , 1. Parts of the nervous system, , ALC, , ShimW., , ....*******., , "M, , 2. Parts of the brain, 3. Types of nerves, , Seeee***t, , °***°*°°°, , 4. Parts of the eye, , *****d*0**, , 5. Parts of the ear, B. Choose the correct option., 1. A, , bony closed structure that protects, , a . Cerebrum, , Skull, , the brain is .aAL., , b. skin, d. vertebral column, , 2. It is the control centre of the human body., a. Nerves, Brain, , Our nervous system consists of, abrain, spinal cord and nerves, , 3., , c. brain, spinal cord and kidneys, , b. Spinal cord, , d. Kidneys, b. brain, spinal cord and lungss, , d. brain, muscles and, , nerves, , Nervous Syste, 46

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4. The, , coloured part around the pupil in the eyes is.., , a. retina, , b. eyelash, d. eyelid, , 5., , Theegg-shaped part in the brain is ALlbe LlusrM, cerebellum, , b. medulla oblongata, , C. cerebrum, , d. skull, , C. Fill in the blanks., , 1. The, , brain, the spinal cord and the, , our nervous, , LAAi.d... is the largest and the main part of the brain., , 2., , system., , LLLuntontrols and coordinates activities like breathing, heartbeat, etc., , 3., 4., , LA..... Constitute, , The nerves that bring messages from the sense organs tó the, cord are called, , brain, , or, , the, , .SqlLDAIY.NLAYE, , 5..pal... is the blck, , circle that lets, , spinal, , light into our eyes., , D. Write T for True statements or F for Faise, statements., , 1. The, , ear, , drum, , amplifies, , sound and carries it, , to the inner ear., 2. The vertebral column, protects the spinal cord., 3. The part of the brain that controls our senses is called cerebrum., , 4. The nerves that extend from the head and the neck join the, spinal cord directly., 5. The, E., , images of objects are formed, , on, , the, , pupil of, , our, , eyes., , Match the following:, , 1. Skull, , a. Eye, , 2. Iris, , b. Medulla, , 3. Pinna, , c. Brain, , 4. Vertebral column, , d. Outer ear 3, , 5. Brain stem, , e. Spinal cord, , Theoretical Questions, A. Answer the following, , 1. What, , questions in brief., , the three parts of brain? Which part is known, 2. How is the brain, protected?, 3. How does ears help us to listen?, are, , 4. How does, , nose act as, , 5. Mention three ways, , Nervous System, , to, , filter for the air, take, , care, , ot, , we, , our, , as, , the, , centre, , of, , intelligence?, , breathe in?, , eyes., , 47