Nervous System Unit

How does an impulse travel from one neuron to another?
Chemical neurotransmitters help the impulse “jump” across the space between the cells.

Which part of the brain stem connects with the spinal cord?
Medulla oblongata

What is the purpose of the vertebrae?
To protect the spinal cord

In which disease does progressive loss of muscle control result from the destruction of the myelin sheath in the central nervous system?
Multiple sclerosis

What is the space between a dendrite and an axon called?
Synapse

Which section of the brain is concerned with reasoning?
Cerebrum

What type of neuron is also called an interneuron because it carries messages between the other two types of neurons?
Associative

Which division of the nervous system consists of the brain and spinal cord?
Central nervous system

What is the general term for the layers of tough membranes that cover and protect the brain and spinal cord?
Meninges

What is the fatty tissue that covers axons and speeds up impulses as they travel from cell to cell?
Myelin sheath

Which division of the autonomic nervous system prepares the body for action in an emergency?
Sympathetic system

Which activities of the body are controlled by the autonomic nervous system?
Involuntary

What is another name for a nerve cell?
Neuron

Which of these disorders occurs when there is a loss of blood flow, and in turn oxygen, to the brain?
Cerebrovascular accident

What is the main function of the spinal cord?
It carries messages to and from the brain and the nerves that go to the muscles and glands.

Which section of the brain is responsible for coordinating muscle movements, balance and posture, and muscle tone?
Cerebellum

Which section of the brain helps regulate heartbeat and respiration?
Brain stem

Central nervous system Brain and spinal cord. Structural division. Peripheral Nervous System All the cranial nerves that carry impulses to and from the brain, and all the spinal nerves that carry messages to and from the spinal cord. Structural division …

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The peripheral nervous system comprises of all nerves located outside the brain and the spinal cord. The system comprises of sense organs that are used to detect stimuli from inside and outside the body. There are also some special sense …

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