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प्रश्न
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
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उत्तर
(b) chewing
Chewing is a voluntary action, while actions like vomiting, heart beat and salivation are involuntary.
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
Fill in the following blanks with suitable words :
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What is spinal cord? What is its main function?
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When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
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Which of the following helps in maintaining posture and balance of the human body?
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(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
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State whether the following is simple reflex, conditioned reflex or neither of the two.
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Mention, if the following statement is True or False
Reflex action involves brain
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Identify the parts labeled as A to E and select the correct option.
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