Question

In reflex action, the reflex arc is formed by

(a) brain, spinal cord, muscle

(b) receptor, muscle, spinal cord

(c) muscle, receptor, brain

(d) receptor, spinal cord, muscle

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Answer 1

Answer:

Reflex Arc

➡Path followed by an impulse in reflex action is known as reflex arc. Reflex always travel in one direction. The direction taken by nerve impulse and response in a reflex action is from the receptor organ

In reflex action, the reflex arc is formed by is :-

▪(a) brain, spinal cord, muscle

▪(b) receptor, muscle, spinal cord

▪(c) muscle, receptor, brain

✔(d) receptor, spinal cord, muscle

Detail :- Stimules $\implies$ Receptor organ$\implies$ Sensory nerve$\implies$Spinal cord$\implies$Motor nerve $\implies$ Effector organ$\implies$Response to Stimules