he arteries that pass through the heart muscle are necessary for delivering enough oxygenated blood to the eart. When the heart ventricles contract (in systole) the pressure around these vessels increases. The heart nuscle is likely to be relatively deprived of oxygen when the pressure inside the arteries minus the pressure outside the arteries is greater than zero. when the pressure inside the arteries minus the pressure outside the arteries is less than zero. when the pressure inside the arteries minus the pressure outside the arteries is greater than O zero and the stabilizing force of the vessel architecture is overcome
he arteries that pass through the heart muscle are necessary for delivering enough oxygenated blood to the eart. When the heart ventricles contract (in systole) the pressure around these vessels increases. The heart nuscle is likely to be relatively deprived of oxygen when the pressure inside the arteries minus the pressure outside the arteries is greater than zero. when the pressure inside the arteries minus the pressure outside the arteries is less than zero. when the pressure inside the arteries minus the pressure outside the arteries is greater than O zero and the stabilizing force of the vessel architecture is overcome
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter9: Cardiac Physiology
Section9.3: Mechanical Events Of The Cardiac Cycle
Problem 2CYU
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