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chp.21 study sheet


reflex response controlled by the spinal cord
the spinal cord extension of the brain
cerebrum the largest part of your brain, where impulses from senses are interpreted
homeostatis your heartbeat
synapse an impulse moving from one neuron to another across a small space
vision light rays pass through the cornea
inner ear does what? controls your sense of balance
Olfactory cells aid in sense of smell
impulse a message carried by a neuron
stimulus any change inside or outside your body that brings about response