Which of the following is not an involuntary action?
(a) Vomiting
(b) Salivation
(c) Heart beat
(d) Chewing
NCERT Class X
Science - Exemplar Problems
Chapter_Control and Coordination
Answers
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Chewing is not an involuntary action so the answer is chewing [ D]
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Chewing is not an involuntary action.
Option: (d)
Explanation:
- Voluntary actions can be defined as actions that can be controlled. These actions can be controlled according to one’s will. For example, slapping, snapping of fingers, walking, pushing, hand movement, and so on.
- Involuntary actions can be defined as actions that cannot be controlled by you. These actions are some sort of reflex actions.
- These actions can be occurred automatically. For example, heartbeat, vomiting, salivation, digestion of food, breathing, and so on.
Learn more about involuntary action
Mention the part of brain which control the involuntary action like blood pressure salivation etc.
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Why blood pressure is considered to be an involuntary action
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