The cardiovascular system is composed of the heart and blood vessels. The basic function of the heart is to pump blood through the blood vessels. The basic function of the blood vessels is to serve as conduits to carry blood away from the heart to the tissues, and to return blood from the tissues back to heart. Test your basic knowledge of cardiovascular physiology by taking this simple quiz.
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(1) During a cardiac myocyte contraction, some of the Ca2+ necessary for contraction comes from the extracellular fluid. During relaxation, this Ca2+ will have to be extruded from the cell. Most of this Ca2+ is removed from the cell due to the activity of the:
(2) Parasympathetic stimulation of the heart has the following effect(s):
(3) Sympathetic stimulation of the heart has the following effect(s):
(4) Laminar blood flow is silent.
(5) Turbulent blood flow is silent.
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Posted: Friday, May 22, 2015
Last updated: Tuesday, March 11, 2025
Last updated: Tuesday, March 11, 2025
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