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Natural Reflexes

Which muscles...

Question

Which muscles or glands contract and secrete substances after they receive impulse from brain?

A

Stimulus

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B

Response

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C

Effector

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D

Impulse

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Solution

The correct option is C
Effector

An effector acts in special ways in response to a nerve impulse. Effectors in multicellular organisms are either glands or muscles. In humans, these effectors may either be muscles, which contract in response to neural stimuli, or glands, which produce secretions.

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Q. Fill in the following blanks with suitable words :
(a) The two examples of effectors are .........and ...........
(b) Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
(c) A neuron which carries an impulse to the brain is called a ........... neuron.
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