Question

what happens in reflex action???​

Answer 1

Answer:

Reflex arcs

Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. ... Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away).

Answer 2

Answer:

Reflex arcs

Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. ... Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away).