The rough endoplasmic reticulum is most abundant in cells specialized for protein secretion, whereas smooth endoplasmic reticulum is abundant in cells that specialize in lipid metabolism
Indicate whether the statement is true or false
T
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The connections shared by arteries that allow them to shunt blood from one artery to another are called _________________
Fill in the blank with correct word.
Twenty-five percent of the cardiac output goes to the kidneys because of their tremendous nutrient requirement for the active transport of Na+
Indicate whether the statement is true or false
A stimulus for increased aldosterone secretion is decreased plasma K+ concentration
Indicate whether the statement is true or false.
Which of the following structures lies on the outside surface of the heart and is an integral part of the cardiac wall?
a. the epicardium b. The parietal layer of serous pericardium c. the fibrous pericardium d. the pericardial sac