| A | B |
|---|
| axon | carries messages away from the cell body |
| brain stem | controls heartbeat, breathing, and blood pressure; connects brain to spinal cord |
| neuron | basic unit of nervous system |
| central nervous system | contains the brain and spinal cord |
| cerebellum | coordinates voluntary muscle movements and balance |
| cerebrum | largest part of the brain; is divided into 2 hemispheres; interprets info from senses; stores memory |
| cochlea | liquid filled structure of the inner ear sends vibrations to auditory nerve |
| dendrite | branch of neuron that receives messages & sends them to cell body |
| hormone | endocrine chemicals produced from glands into bloodstream |
| olfactory cell | nerve cells in the nasal passage |
| peripheral nervous system | nerves outside of the central nervous system; connects brain and spinal cord to other parts of the body |
| reflex | involuntary and autonomic response to a stimulus |
| retina | light-sensitive tissue at the back of the eye; contains rods and cones |
| synapse | small space between neurons |
| target tissue | specific tissue effected by hormones |
| taste buds | major sensory receptors for taste located on the tongue |
