Question

1. Describe the structure of the
eye.
2. What is reflex action? Explain with the help of an example.
3 How should we take care of our skin?
4. How do the tongue helps us to taste things?
5. What is spinal cord? What function does it perform in our body?
6. What steps should we take to ensure that our ears remain healthy?
7. Write the importance of the following:
a. fluid between the skull and the brain
b. fluid in the eyeball
8. What are the main functions of each part of the brain?
9. Differentiate between sensory nerves and motor nerves.
10. People can have brown, black, blue or green eyes. Which part of the eye gives
it special colour?
(b)​

Answer 1

Answer:

8. Cerebrum is the main function of each part of the brain

Answer 2

Answer:

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Explanation:

1) An Inside Look at the Eye. The outer covering of the eyeball consists of a relatively tough, white layer called the sclera (or white of the eye). Near the front of the eye, in the area protected by the eyelids, the sclera is covered by a thin, transparent membrane (conjunctiva), which runs to the edge of the cornea.

2) Reflex Action : It is an involuntary and nearly instantaneous response to stimulus . For example : Hand is withdrawn when, it accidentally touches a hot object. The pathway taken by a stimulus to travel from receptors organ to effector organ is known as reflex arc.

3) To keep it gentle:

Limit bath time. Hot water and long showers or baths remove oils from your skin. ...

Avoid strong soaps. Strong soaps and detergents can strip oil from your skin. ...

Shave carefully. To protect and lubricate your skin, apply shaving cream, lotion or gel before shaving. ...

Pat dry. ...

Moisturize dry skin.

4) That's because the top of your tongue is covered with a layer of bumps called papillae (say: puh-PILL-ee). Papillae help grip food and move it around while you chew. And they contain your taste buds, so you can taste everything from apples to zucchini! ... Taste buds can detect sweet, sour, bitter, and salty flavors.

5) The brain and spinal cord are your body's central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain.

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