Explore the structure of the heart, blood vessels, and blood, and learn about the functions of the cardiovascular system in transporting oxygen, nutrients, hormones, and waste products throughout the body.
The Cardiovascular System Introduction The cardiovascular system, also known as the circulatory system, is responsible for transporting blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body. Components of the Cardiovascular System Heart The heart is a muscular organ that pumps blood throughout the body. It is divided into four chambers: two atria and two ventricles. Bl...…
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