1.4

THE CARDIAC CYCLE

Each time the heart beats, a series of highly coordinated events occurs. These events are essential for the proper pumping of the blood and include pressure changes, volume changes, and the opening and closing of valves. This series of events is known as the cardiac cycle and will be discussed in this section.

Cardiac CycleCardiac Measurements

This content is provided to you freely by BYU-I Books.

Access it online or download it at https://books.byui.edu/bio_265_anatomy_phy_II/14___the_cardiac_cyc.