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प्रश्न
Give Technical Term:
The chemical messenger by which the nerve impulse travels from one neuron to the other.
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उत्तर
Acetylcholine
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संबंधित प्रश्न
Fill in the following blank with suitable word :
The neuron which carries a message for action to a muscle or gland is known as a......... neuron.
What is cranium? What is its function?
Fill in the blank:
Sense organs have special cells called ____________ for picking up information and transmitting it to the nerves.
Complete the following table by filling in the blank spaces.
| Structure | Function |
| Yellow Spot | |
| Transfers impulse from inner ear to brain | |
| Helps to change the focal length of the eye lens | |
| Spinal cord | |
| Oval window | |
| Dynamic equilibrium |
Explain the term: Mixed nerve
Complete the following sentence with appropriate word :
There are _______ neurons in our body.
Complete the following sentence with appropriate Word
The ventral root ganglion of the spinal cord contains cell bodies of the:
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. |
Identify the CORRECT sequence of meninges. (From inside to outside)
Identify the sensory cranial nerves ____________.
