Neurons Crossword Puzzle

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NERVOUS SYSTEM: Consists of the brain, spinal cord, and network of nerve cells
NEURONS: Nerve cells; composed of cell body, axon, and dendrites
CELL BODY: Central part of neuron that contains the nucleus
AXON: Single extension of neuron
MYELIN SHEATH: insulation provided by tiny living cells around the axon
DENDRITES: Shorter, branched extensions around the cell body
IMPULSES: How neurons communicate
NERVES: Bundles of axons that go to the same place in the body
SENSORY: These nerves carry impulses toward the brain and spinal cord
MOTOR: These nerves carry impulses away from the brain and spinal cord, and toward muscles
MIXED: These nerves carry both sensory and motor axons in their bundles
INTER NEURON: Neurons that link sensory messages with options for action (found only in the brain and spinal cord)
SENSORY RECEPTORS: Cause an attached sensory neuron to send the signal toward the brain
STIMULUS: Detectable change in what is going on
REFLEX: A quick relay that causes a muscle to contract without any thought
PERIPHERAL: This part of the nervous system consists of sensory neurons, motor neurons, and mixed neurons
CENTRAL: This part of the nervous system consists of association neurons in the brain and spinal cord; it is the command center of all neurons

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QUESTIONS LIST:

nervous system: consists of the brain, spinal cord, and network of nerve cells
neurons: nerve cells; composed of cell body, axon, and dendrites
cell body: central part of neuron that contains the nucleus
axon: single extension of neuron
myelin sheath: insulation provided by tiny living cells around the axon
dendrites: shorter, branched extensions around the cell body
impulses: how neurons communicate
nerves: bundles of axons that go to the same place in the body
sensory: these nerves carry impulses toward the brain and spinal cord
motor: these nerves carry impulses away from the brain and spinal cord, and toward muscles
mixed: these nerves carry both sensory and motor axons in their bundles
inter neuron: neurons that link sensory messages with options for action (found only in the brain and spinal cord)
sensory receptors: cause an attached sensory neuron to send the signal toward the brain
stimulus: detectable change in what is going on
reflex: a quick relay that causes a muscle to contract without any thought
peripheral: this part of the nervous system consists of sensory neurons, motor neurons, and mixed neurons
central: this part of the nervous system consists of association neurons in the brain and spinal cord; it is the command center of all neurons