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प्रश्न
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उत्तर
Reflex action - It is an immediate and involuntary response to a stimulus.
Example - 1. Blinking of eyelids on exposure to light .
2. Knee jerk.
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
How do we detect the smell of an agarbatti (incense stick)?
Give examples of unconditional reflexes
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
With the help of suitable example, describe reflex action.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sudden application of brakes of the cycle on sighting an obstacle in front
State whether the following is
Sneezing
Reflex actions are mediated through ____________.
