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					 One of the examples of the action of the autonomous nervous system is
 
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- swallowing of food
 - pupillary reflex
 - peristalsis of the intestine
 - knee-jerk response
 
 
Correct Option: C
Autonomic nerveous system regulates and coordinates involuntry activities like heart beat, homeostasis, body temperature, breathing, gut peristalsis and secretion of glands. Human intestine shows movements during food digestion called peristalsis.