This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and bloo

The human circulatory system is essential for pumping blood throughout a person's body. Without it, humans wouldn't be able to live. This guide explores the mai

Describes the anatomy and functions of the human circulatory system and how it responds to increased activity, the microgravity of space, and other changes.

Presents information about the circulatory system, looking at the heart, blood, and blood vessels that compose it, as well as how they work together to keep the

Discusses the parts that make up the human circulatory system, what can go wrong, how to treat those illnesses and diseases, and how to stay healthy.