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Oxygen poor blood from the head will return to the heart by way of this vessel:

The pituitary gland releases a hormone that controls our waking and sleeping cycle.

Kathy has gained 40 pounds causing an increase in the length of her arteries, arterioles, and capillaries to supply the added tissue.  Predict the effect this will have on her blood pressure:

A target cell is any cell that has a receptor for a particular hormone.

This hormone, released during times of stress (perhaps right now), increases blood glucose, raises blood pressure, and reduces inflammation:

Colloidal osmotic pressure draws water and small molecules into a capillary.  It is primarily due to plasma proteins.

Choose the statement below that is FALSE regarding cardiac muscle:

Long term high blood pressure will cause weakening of the heart and could cause it to fail.

This hormone from the adrenal cortex increases blood pressure and blood glucose levels at a time of great stress:

This structure of the conduction system has a built in delay to allow the atria to empty before the ventricles contract: