OBJECTIVE LIFE SCIENCE
ANIMAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The rhythmic action of the alimentary canal is called
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digestion
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peristalsis
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respiration
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None of the above
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Explanation:
Detailed explanation-1: -Peristalsis is the involuntary contraction and relaxation of longitudinal and circular muscles throughout the digestive tract, allowing for the propulsion of contents beginning in the pharynx and ending in the anus.
Detailed explanation-2: -Peristalsis is alternate and rhythmic contraction and relaxation of muscles in the alimentary canal from the oesophagus to anus. This facilitates the easy and smooth movement of food during the process of digestion.
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