Question

Name the parts (a) to (e) in the following diagram.

What is the term given to the sequence of events occurring in the diagram?

Answer 1

The pathway of the nerve impulses involved during a reflex action constitutes the reflex arc. When a stimulus is detected, it is first perceived by receptors in the skin, which send an impulse to the spinal cord. The spinal cord interprets the stimulus and sends the impulse to the motor neurons. The motor neurons, in turn, stimulate the effectors or muscles to respond to the stimulus.