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प्रश्न
What are the functions of the nervous system?
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उत्तर
The nervous system regulates, co-ordinates and links the activities of different organs and the entire organism, making it an integrated whole. It also brings about an adjustment between the organism and its environment.
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संबंधित प्रश्न
Write a and b in the given flow chart of the neuron through which information travels as an electrical impulse.
How are the messages carried across a synapse? Explain with the help of a labelled diagram.
Name the two types of coordination which take place in our body.
Fill in the blank:
Outer protective layer of skin, called epidermis is made up of ________ tissue.
Find the odd-one out, giving reasons:
Pinna, eardrum, cochlea, ear canal
Compare the nervous system and the endocrine system.
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
Fill in the blank with the function in the following:
Cochlea : ________
Long answer question
Explain the Reflex Pathway with the help of a neat labelled diagram.
Which is the ninth cranial nerve in humans?
