SC 6 - Sensory Receptors - 25/26

Behavior

The way an organism reacts to changes in its internal condition or external environment.

Brain

Control center of the nervous system

Chemical Input

A chemical that enters the body

Mechanical Input

Signals that enter the body through physical touch or vibration.

Electromagnetic Input

Signals that enter the eye as changes in light or heat

Nerve Cell

Cell that gathers information and controls body functions

Sensory Receptor

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

Stimulus

any event or situation that evokes a response

Sense Organs

Structures that receive sensory input and convert it into neural signals for processing by the nervous system. (Nose, Eyes, Skin, Tongue, Ears)