NEET BIOLOGY

Detailed explanation-1: -An involuntary response to a stimulus is known as reflex action. Reflex actions occur when our body needs to react to immediate danger such as accidentally tough a hot object. A reflex arc is a neural pathway that controls a reflex action.

Detailed explanation-2: -Reflex is defined as an involuntary motor response, secretory or vascular, elicited shortly after a stimulus, which may be conscious or not. The response to the stimulus is unalterable, it cannot be changed or adapted according to needs or circumstances.

Detailed explanation-3: -Reflex action or reflex is an involuntary action in response to a stimulus. This is a spontaneous action without thinking.

Detailed explanation-4: -Final answer: Involuntary and instant response of the body is called reflex action.

Detailed explanation-5: -A reflex action is the body’s rapid and involuntary response to external stimuli which is often used in order to protect it from immediate harm.