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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
What are the short fibres of a neuron known as?
In a neuron, the conversion of electrical signal to a chemical signal occurs at/in:
State whether the following statement is true (T) or false (F):
Cochlea is a part of middle car.
Differentiate between rods and cones.
What are voluntary and involuntary actions? Which part of the nervous system controls them?
Differentiate between following pair with reference to the aspect in bracket.
sympathetic nervous system and para – sympathetic nervous system (overall effect on body)
Give Technical Term:
The find cytoplasmic processes of the cell body of a neuron.
Choose the Odd One Out:
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. |
Visceral nervous system comprises of ______.
