What is a reflex action and why is it beneficial?

What is a reflex action and why is it beneficial?

• A. A reflex action is an automatic rapid response to a stimulus that helps protect the body from harm.
• B. Reflex actions require conscious thought to initiate response.
• C. Reflex actions always involve the brain's conscious processing.
• D. Reflex actions are slow and refined voluntary movements.

Answer: (A)