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प्रश्न
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
उत्तर
(d) medulla
The medulla controls the involuntary actions like the peristaltic movements of the alimentary canal
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
Give the functions of medulla.
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Which of the following statements are true?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
Explain the mechanism of reflex action with the help of a suitable diagram.
Mention, if the following statement is True or False
Reflex action involves brain
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
