pericardium

Fill in the blank. When the atria fill, pressure in the atria is ______________ than that of the ventricles, which forces the _________ and _________ valves open.

Chapter 13:  Cardiovascular System Cardiovascular System: The cardiovascular (CV) system consists of the heart, and blood vessels (arteries, capillaries and veins). What are the functions of the CV system?  ___________________________________________________ Structure of the Heart: The heart is a hollow, ___________-shaped, muscular pump within the _________; it rests on the _________. The average adult heart is […]

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