The Purpose of the Myelin Sheath Is to _________

question 139

Multiple Choice

The purpose of the myelin sheath is to _________.

• A)provide a place for respiration and metabolism to occur
• B)carry messages from the spinal cord to the brain
• C)insulate the neuron so it can act more efficiently
• D)receive messages from outside the neuron and carry them to the cell nucleus

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Definitions:

Endocardium

The innermost layer of tissue that lines the chambers of the heart and is continuous with the inner lining of blood vessels.

Pints Of Blood

A measurement unit for blood, commonly used in transfusions and donations, with one pint equaling approximately 473 milliliters.

Endocardium

The innermost lining of the heart, which provides a smooth surface for blood to flow within the heart chambers and valves.

Pericardium

The protective sac of tissue surrounding the heart, helping to support and protect it while allowing it to function efficiently.