How the heart actually pumps blood - Edmond Hui - TED-Ed
health and safety: feeling one's pulse, knowing how fast the heart pumps blood compared to adults & kids.
Circulatory System Lesson: any way to get children to understand something that is difficult to understand is always effective. This activity can be a part of helping a child understand how their heart and circulatory system works.
Blood Pressure & Heart Pumping Blood Model