| Term | Definition |
|---|
| gland | makes hormones |
| positive feedback | feedback which tells the brain to send more of a signal |
| negative feedback | feedback which tells the brain to stop sending a signal |
| spinal cord | relays messages between body and brain, reflexes |
| neuron | a nerve cell |
| dendrite | part of a neuron that receives signals |
| axon | long thin part of neuron between cell body and end brush |
| synapse | space between neurons |
| resting potential | neuron at rest with more positive charge outside of the cell |
| action potential | state of a signal being sent down a neuron by a flow of Na+ ions flowing in |
| hypothalamus | part of brain responsible for monitoring homeostasis |
| homeostasis | state of having all the correct levels of conditions in a cell or organism |
| receptor | cell membrane protein that binds to signal molecules |
| neurotransmitter | molecule that transmits signal from one neuron to another through the synapse |
| cerebrum | part of brain responsible for conscious thought |
| sensory neuron | carries signal from body to brain |
| motor neuron | carries signal from brain to body |
Combine with other sets
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