Question

why is a brain usually not involved in reflex action​

Answer 1

Answer:

Here is your answer

Explanation:

It is because most sensory neurons do not pass directly into the brain but synapse in the spinal cord which allows reflex actions to occur relatively quickly by activating spinal motor neurons without the delay of routing signals through the brain, although the brain receives sensory input while the reflex action

Answer 2

Answer:

because it take more time in the work.

Explanation:

suppose your hand is touch in hot vessel if your hand not move quickly you got burn.