PATHOLOGY

Detailed explanation-1: -Final answer: A reflex arc in man is best described as the movement of stimuli from receptor cells, sensory neurons, relaying neurons, and effector’s muscles.

Detailed explanation-2: -Reflex action is a sudden and involuntary response to stimuli. It helps organisms to quickly adapt to an adverse circumstance that could have the potential to cause bodily harm or even death. Pulling our hands away immediately after touching a hot or cold object is a classic example of a reflex action.

Detailed explanation-3: -The withdrawal reflex protects humans against tissue necrosis from contact with noxious stimuli such as pain or heat and is evolutionary important in avoiding significant dangers.