Cardiac Cycle Physiology - Animation - Audio & ECG This reel is an animated journey through the cardiac cycle. You'll see a view of the heart, including the different compartments, such as the atria and ventricles, and how blood flows through them. You'll also see an ECG abstract, helps to show the electrical activity of the heart during a cardiac cycle. #humanheart | Medical Arts

Drawing the circulatory system

The Heart and Circulatory System - How They Work