TED-Ed
How the Heart Actually Pumps Blood
Let your heart rejoice! A unique video explains in detail how the heart works to transport blood throughout the human body. Use it during your human body unit, and then discuss the accompanying comprehension questions as a review of the...
SciShow
What Color is Your Blood?
Everyone knows that blood is thicker than water, but do they know what color it is when it is circulating? The various proteins that determine the color of this vital mixture are revealed, and the question is answered once and for all!...
Bill Nye
Bill Nye The Science Guy on Blood and Circulation
Did you know that high-speed aviators need to wear a special g-suit in order to keep blood flowing to their brains when experiencing intense acceleration forces? Bill Nye takes a flight in such a situation. After his trip, two facts...
Bozeman Science
Circulatory System
The average person's heart beats about three billion times during their lifetime. In this circulatory system video, learners briefly see the difference between an open and closed circulatory system. The rest of the video focuses on the...