Which of the following actions is an example of the autonomous nervous system?
A
Knee-jerk response
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B
Pupillary reflex
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C
Peristalsis of the intestines
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D
Swallowing of food
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Solution
The correct option is C Peristalsis of the intestines Knee-jerk response, pupillary reflex and swallowing of food are reflex actions. The Autonomous Nervous System (ANS) is involved in peristalsis of the intestine, which is an involuntary action.