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Question

Explain the difference between each of the following pairs of terms :

(a) receptor and effector

(b) cerebrum and cerebellum


Solution

a) A receptor is an organ or cell able to respond to heat, light or other external stimulus and transmit a signal to a sensory nerve. An effector is a muscle, gland or an organ capable of responding to a stimulus, especially a nerve impulse.

(b) Cerebrum, a part of the forebrain, is responsible for controlling our thoughts, sensations, actions and movements. Cerebellum, a part of the hindbrain, is responsible for maintaining the body posture and balance of the brain.


Biology
Science for Tenth Class - Part III - Biology
Standard X

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