Question

Indicate involuntary actions
(A) Lightening
(B) Circulations of blood
(C) Digestion of food
(D Opening a book​

Answer 1

Answer:

Some functions are involuntarily performed, such as breathing, digestion, heart beating, eye reflexes, etc., but some involuntary actions have voluntary control to a certain extent – examples are breathing, salivation, deglutition (swallowing), defecation, micturition (urination) and others.

so answer is c.

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Answer 2

Answer:

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