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प्रश्न
The brain, the spinal cord and nerves form the nervous system.
विकल्प
True
False
उत्तर
The brain, the spinal cord and nerves form the nervous system- True.
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संबंधित प्रश्न
Electrical impulse travels in a neuron from:
Name the following:
Outermost meningial membrane of spinal cord.
Name the following:
The neobrain.
Nervous and hormonal systems together perform the function of control and coordination in human beings. Justify this statement with the help of an example.
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. |
Which cells of PNS secrete myelin sheath around the nerves?
What is the amount of CSF present in and around the CNS?
Which are the sensory cranial nerves?
“Nervous and hormonal systems together perform the function of control and coordination in human beings.” Justify the statement.
Visceral nervous system comprises of ______.
