largest part of the neuron that contains the nucleus
cell body
sends messages from your brain and spinal cord to muscle cells
motor neurons
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part of the brain that controls actions of muscles and maintains balance
cerebellum
gap between two neurons
synapse
nervous system that consists of a network of nerves branching out from the central nervous system
peripheral
automatic response to the environment
reflex
carries messages to the cell body of a neuron
dendrite
carries messages away from the cell body of a neuron
axon
basic unit of structure and function in the nervous system
neuron
change in the environment that causes a response
stimulus
largest part of the brain where learning, intelligence, and judgement occur
cerebrum
nervous system that consists of the brain and spinal column
central
carries messages to your brain and spinal cord from receptors in your skin
sensory nerves
special cell in our skin that allows us to sense pressure, heat, cold, and pain
receptor
connects the brain to the spinal cord and controls involuntary actions such as breathing, blood pressure, and heartbeat
medulla
connects sensory neurons to motor neurons
interneuron
largest sense organ
skin
special cell in muscles that receives messages from motor neurons
efferent
tissue that provides support and connects all of our body parts
connective
building blocks of living things
cells
process by which the body's internal environment is kept stable
homeostasis
tissue that makes up the outer covering in humans
epithelial
system that protects and supports; stores minerals
skeletal
system that exchanges oxygen and carbon dioxide between blood and air
respiratory
system that allows reproduction and controls male and female functions
reproductive
system that protects, regulates temperature, and prevents water loss
integumentary
system of glands that regulate metabolism, reproduction, and other functions
endocrine
system that transports nutrients and wastes and plays a role in the immune response
circulatory
system that fights disease and controls the immune response
immune