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Question
Define the following term:
Nerve
Solution
A nerve is a bundle of axons from numerous neurons encased in a protective sheath.
RELATED QUESTIONS
The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:
(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Define the term Sensory neuron.
Define the term Neuron.
Write whether the following is true or false:
Neurotransmitters are released on activation.
Explain the following term :
Association neuron
Compare and contrast.
Sympathetic Nervous System and Parasympathetic Nervous System
Assertion: The imbalance in concentration of Na+, K+ and proteins generates action potential.
Reason: To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.
Write one word for the following:
wave of electrical disturbance that sweeps over the nerve cell.
Name the following:
Three types of nerves.
