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Pumping Life: A Review of the Circulatory System (1:28)
This video reviews the basics of the circulatory system and reminds us how to keep our hearts healthy.
Pumping Life: Cells and How the Body Works (1:58)
The human body is made of cells. All cells need nutrients and oxygen, and all produce waste.
Pumping Life: The Heart and Circulatory System (1:12)
The circulatory system transports nutrients, gets rid of wastes and destroys harmful microorganisms.
Organ Systems: The Reproductive System (0:56)
The male reproductive system is centered around the testes. The female reproductive system is centered around the ovaries.
Our Flexible Frame: The Skeletal and Muscular Systems (0:54)
The human body is very strong and flexible, thanks to the skeletal and muscular systems. See these systems in action in this video.



