Which of the following is not an involuntary action?(a) vomiting    (b) chewing    (c) heart beat    (d) salivation

(b) chewing. 

Chewing is a voluntary action because this action is under the control of our will, while actions like vomiting, heartbeat and salivation are involuntary as these actions are not in control and happen automatically.

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Updated on: 23-Mar-2023

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