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प्रश्न
Define the following:
Neuron
Define the following term:
Neuron
उत्तर
Neurons are the building blocks of the nervous system and transmit information throughout the body.
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संबंधित प्रश्न
State the different types of neurons.
What happens at the synapse between two neurons?
What are the short fibres of a neuron known as?
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.
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?
State whether the following statement is true (T) or false (F):
The pigment melanin is present in inner layers of skin epidermis.
Fill in the blank:
A neuron consists of ..................... and ...................
Fill in the blank:
The three main parts of the brain are ................................ and ............................
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton, and axon.
Choose the correct answer.
Synapse is a close proximity of _______________
Explain the term: Motor nerve
Name the following:
Unit of the nervous system is
Complete the following sentence with appropriate word :
A nerve chain between a receptor and an effector organ is called _________.
Very very short answer question.
What is the importance of Corpora quadrigemina?
Short answer question
Distinguish between the sympathetic and parasympathetic nervous system on the basis of the effect they have on: a. Heartbeat b. Urinary Bladder
Long answer question
Draw the neat labelled diagram of L. S. of the human brain.
Long answer question
Explain the Reflex Pathway with the help of a neat labelled diagram.
What is the amount of CSF present in and around the CNS?
What are the parts of the brain stem?
Stimulation of nerves of the sympathetic nervous system ______.
