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प्रश्न
Name the following :
(i) The layer of the eyeball that provides nourishment to the eye.
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उत्तर
Choroid
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संबंधित प्रश्न
Which parts of the body form the central nervous system?
What is the function of receptors in our body?
What is the function of the cranium?
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called ..........................
Find the odd-one-out, giving reasons:
Axon, cell body, dendrite, cerebellum
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Auditory canal | (a) | Channels pressure waves of air into the middle ear. |
| (ii) | Auditory (Eustachian tube) | (b) | Collects pressure waves of air. |
| (iii) | Auditory nerve | (c) | Converts pressure waves of air into vibrations of bone. |
| (iv) | Incus | (d) | Dissipates sound waves. |
| (v) | Malleus | (e) | Equalizes pressure between the middle ear and the atmosphere. |
| (vi) | Oval window | (f) | Provide information about the spatial orientation of the head. |
| (vii) | Pinna | (g) | Transfers vibrations from a bone to a fluid. |
| (viii) | Round window | (h) | Transfers vibrations from a bone to a membrane. |
| (ix) | Semi-circular canal | (i) | Transfers vibrations from a bone to a bone. |
| (x) | Stapes | (j) | Transfers vibrations from a membrane to a bone. |
| (xi) | Tympanic membrane | (k) | Transmits action potential to the auditory cortex. |
Multiple choice question.
___________ is in direct contact of brain in human.
What does the cerebellum of the brain control?
Degeneration of dopamine producing neurons in the CNS causes ______ disease.
______ and ______ increases the surface area of cerebrum.
