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प्रश्न
Name the three types of nerves which constitute the peripheral nervous system.
उत्तर
The three types of nerves which make up the peripheral nervous system are the spinal nerves, the cranial nerves and the visceral nerves.
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संबंधित प्रश्न
Name two systems which taken together perform the functions of control and coordination in human beings.
In a synapse, chemical signal is transmitted from :
(a) axon to cell body of the same neuron
(b) cell body to axon end of the same neuron
(c) dendrite end of one neuron to axon end of adjacent neuron
(d) axon end of one neuron to dendrite end of adjacent 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?
Mention the three functions of the spinal cord.
Explain the Term: Voluntary-action
Explain the Term: Natural reflex
Pons helps in regulating respiration.
Identify the lobe which has centre for visual functions.
What is the third ventricle called?
Nervous system is well developed in human and is composed of ______ or ______.
