| A | B |
|---|
| dendrite | part of the neuron that receives an impulse |
| axon | part of the neuron that carries the impulse |
| mylein sheath | protects the axon, keeps the impulse flowing in one direction |
| synapse | space between neurons where neurotransmitters are released |
| neurotranmitters | chemicals released by neurons that stimulate an impulse |
| cerebellum | part of the brain that controls movement |
| cerebrum | part of the brain that processes information and thoughts |
| medulla | part of the brain that controls reflexes |
| hypothalamus | partof the brain that monitors homeostasis |
| pituatary gland | part of the brain that controls the other glands |
| central nervous system | brain and spinal chord |
| peripheral nervous system | nerve in the limbs and organs |
| sympathetic system | the fight or flight system Keeps the body alert |
| parasympathetic system | rest and digest Keeps the body relaxed |
| sensory receptors | specialized nerves that get receive impulses from the outside world |
| rods | cells in the the that respond to low light |
| cones | cells in the eye that respond to bright light |
| tympanum | ear drum, responds to vibrates in the air |
| semicircular canal | part of the ear that regulates balance |
| dopamine | neurotranmitter associated with pleasure, many drugs effect or imitate it |
