Neuroscience

Click the circle that is pointing to the axon

Click the circle that is pointing to the myelin sheath

Click the circle that is pointing to the dendrites

Click the circle that is pointing to the cell body

Click the circle that is pointing to the node of Ranvier

Click the circle that is pointing to the axon terminal

Why are psychologists conerned with human biology?

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Put the events of a neural impulse in the correct order.

• neuron at rest has a stable electrical balance

• a chemical message is received by dendrites exceeding the neurons' threshold

• an impulse is triggered called the action potential which sends an electrical charge down the axon

• the message exits the neuron through the axon terminals and into neighboring neurons

• the neuron undergoes a short rest, called a refractory period before it can fire again.

Match the following

• glial cells

• a segmented neuron extension that passes messages through its branges to other neurons, or to muscles or glands

• myelin sheath

• cells in the nervous system that support, nourish, and protect neurons

• axon

• part of a neuron that contains the nucleus; the cell's life support

• cell body

• a neuron's often bushy, branching extensions that receive and integrate messages

• dendrites

• a fatty tissue layer enabling greater transmission speed during neural impulse

How does learning a new skill affect the structure of our brain?

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