Assertion (A): Brain plays a secondary role in reflex action, when our hand touches a hot plate.
Reason (R): In reflex action, the stimulus received by the spinal cord that sends the response.
The action is registered in cerebral brain just for memory.
a) Both A and R are true and R is the correct explanation for A
b) Both A and R are true and R is not the correct explanation for A
c) A is true but R is false
d) A is false but R is true
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Answer:
c) A is false but R is true
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Answer:Study the diagram carefully and select which one illustrates a reflex action.
a) brain--- spinal cord --- muscle
b) muscle --- receptor --- brain
c) muscles --- spinal cord --- brain
d) receptor --- spinal cord --- muscles.
Explanation:Study the diagram carefully and select which one illustrates a reflex action.
a) brain--- spinal cord --- muscle
b) muscle --- receptor --- brain
c) muscles --- spinal cord --- brain
d) receptor --- spinal cord --- muscles.
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