Introduce, study, or review the functions of the human circulatory system with this exciting song. Listen to how blood flows through the heart and body, delivering products to their destination. The rhyming lyrics and catchy beats describe the processes of systole, diastole, gas exchange, oxygen transport, and carbon dioxide transport in a concise and memorable way. Be sure to check out the corresponding BioL-O-Gee R.A.P. "Circulation" animated music video!