Multiple choice

What is the key difference between a reflex action and any other action of the body?

  1. Involvement of brain and lack of conscious control

  2. Involvement of nerves and lack of muscular action

  3. Involvement of spinal cord and conscious control

  4. Involvement of brain and tendons
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A Correct answer
Explanation

Reflex arcs have evolved as efficient ways of functioning in the absence of true thought processes. Thus, reflex action includes involvement of spinal cord and lack of conscious control.

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