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प्रश्न
Give Technical Terms:
The number of cranial and spinal nerves in man.
उत्तर
Cranial nerves:12 pairs
Spinal nerves:31 pairs
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संबंधित प्रश्न
What is a neuron?
The organ A which is located inside the skull of our body is protected by a bony shell B. It is surrounded by three layers membranes C. The spaces between these layers are filled with a liquid D which protects organ A from mechanical shocks. Organ A in combination with another organ E makes up the central nervous system.
(a) What is organ A?
(b) What are B, C and D?
(c) Name the organ E.
(d) While walking barefoot, if we happen to step on a sharp piece of stone, we immediately lift our foot up. Which of the two organs: A or E, is directly involved in this action?
(e) If we step out from a darkened room into bright sunlight, we close our eyes for a moment. Which of the two organs: A or E, is directly involved in this action?
Fill in the blank:
Basic structural unit of the nervous system is the ..................
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Name the following:
Thoracolumber region of spinal cord form.
Differentiate between:
Afferent and Efferent Nerve.
Mention, if the following statement is True or False
Spinal nerves and cranial nerves constitute the central nervous system.
The functional unit of kidney is neuron.
All of the following are true for human brain, EXCEPT ______.
How many spinal nerves are there, and to which groups they belong?