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list of terms for endocrine and nervous systems


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


a nerve cell


part of a neuron that receives signals


long thin part of neuron between cell body and end brush


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


part of brain responsible for monitoring homeostasis


state of having all the correct levels of conditions in a cell or organism


cell membrane protein that binds to signal molecules


molecule that transmits signal from one neuron to another through the synapse


part of brain responsible for conscious thought

sensory neuron

carries signal from body to brain

motor neuron

carries signal from brain to body

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