what is reflexaction
Answers
Answered by
0
A reflex action is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neutral pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
hope this answer helps you and please mark it as a brainliest answer.
hope this answer helps you and please mark it as a brainliest answer.
Answered by
0
A reflex action is the body's rapid, involuntary response to external stimuli, often used in order to protect it from immediate harm. First, a receptor detects a stimulus, such as a heat source which could burn the skin. A nerve impulse is then passed along the sensory neurone from the receptor to the central nervous system (the spinal cord). The impulse is transferred via a synapse (a gap between two neurones) to a relay neurone within the cord, and then on to a motor neurone via a second synapse. The impulse travels along the motor neurone to an effector (such as a muscle or gland) which brings about the desired response i.e a muscle moving a body part away from the heat source in the burning example .
Similar questions