AP BIOLOGY

Detailed explanation-1: -It is called a reflex action. Thus, Reflex action is an automatic, spontaneous and mechanical response to a stimulus controlled by spinal cord without the involvement of brain.

Detailed explanation-2: -Reflexes are unconscious responses, which means they are automatic and do not require the brain to create the action. There are many different types of reflexes, but the most basic is called a simple reflex.

Detailed explanation-3: -Blinking of eyes is not a reflex action, but it is involuntary action.

Detailed explanation-4: -The efferent nueuron then carries signals from CNS to the effector. Reflexes do not require involvement of the brain although in some cases the brain can prevent reflex action.

Detailed explanation-5: -A reflex is an automatic, involuntary response to an incoming stimulus. Sensory (afferent) neurons transmit information from the perimeter of the body to the central nervous system.