Title: Describe the circulation of blood from the heart, to the periphery of the body, and back to the heart.
Course: Nurse Aide (14051) > Section: Unit VII: Basic Skills

Description should include the functions of

- heart – muscle that pumps blood throughout the body
- arteries – blood vessels that carry blood from the heart to other parts of the body; transport oxygen to cells
- veins – blood vessels that carry blood from the cells back to the heart; transport carbon dioxide from cells back to the lungs
- capillaries – tiny vessels that connect arteries to veins
- blood – red blood cells carry oxygen to the cells; white blood cells fight infection; platelets form clots to stop bleeding.