Page 1 :
Chapter 10: Our Nervous System, A. Tick (3) the correct answer., , 1. (c) 2. (b) 3. (a) 4. (a) 5. (b) 6. (c), B._ Fill in the blanks., 1. cerebrum 2. pupil 3. cerebellum 4. skin 5. reflex, , C. Write 'T' for true and 'F' for false statements., , Lt 2.F SF 4.T SF, D. Write one word for the following., 1. Tongue 2. meninges 3. sensory nerves 4. pinna (outer ear) 5. taste buds, , E. Answer the following questions., 1. The nervous system consists of the brain, spinal cord and nerves., 2. Nerves are long thread-like structures that carry messages between the brain and the other, parts of the body., Nerves, from the head and the neck join the brain directly. However, they from the other parts, of the body join each side of the spinal cord., 3. Aspecial cell called a neuron helps the brain convey massages to different body parts. The brain, observes all actions done or needed bythe body., Eyelids cover and protect the eye. Eyelashes protect the eye from small particles and dust., 5. The outer ear collects the sound waves and sends them tothe eardrum. From there, a system of, bones sends the sound waves to the inner ear. Then it passes sound to our brain., F. Complete the crossword puzzle with the help of the given clues., , Across, , 2. SKIN, , 3. MOTOR, 6. EARS, , 7. IRIS, Down, , 1. PUPIL, 2. SENSORY, 4. BRAIN, 5. OPTIC, 6. EYES