Sensory Receptors

Behavior
What a plant or animal does

Brain
The organ that serves as the primary control center of the nervous system in all vertebrate and most invertebrate animals

Chemical Input
A chemical that enters the body

Electromagnetic Input
Signals that enter the body in the form of electromagnetic stimuli

Mechanical Input
Signals that enter the body through physical touch or vibration

Nerve Cell
A cell specialized for transmitting fast electrochemical signals

Sensory Receptor
A nerve ending that sends signals to the central nervous system when it is stimulated

Stimulus
An action or condition that provokes a response