Chapter 25 Flashcards
Peripheral nervous system
All of the parts of the nervous system except for the brain and the spinal cord
Central nervous system
The brain and the spinal cord
Neuron
A nerve cell that is specialized to receive a conduct electrical impulses
Nerve
Traval between cental nerve systems and other parts of the body
Brain
The mass of nerve tissue that is the main control center of the nervous system
Integumentary system
The organ system that forms a protective covering on the outside of the body
Reflex
The response to a stimulus
Feedback mechanism
A cycle of events in witch info from one step controls or effects the previous step
Retina
The sanitize inner of the eye that reflects images form by lens
Cochlea
A coiled tube that is found in the inner ear and that is essential to hearing