The functions of the human body are better understood when there is a model or better still a video to explain the various parts and how they function. Today, students can be shown animated versions of every part of the body which help visualize and grasp the subject matter. Even the lazy or bored student plus the average student will sit up and get interested in learning,bettering his grades in the process. Truly an important tool in learning biology,physiology or anatomy. Human body systems are now easy to visualize and learn about.
An animated heart showing the parts and the functions is embedded below. You will see how it at once engages the viewer and do not forget to use the scroll at the bottom to see how the blood flows.
The Human Heart - Explania