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Growth, Development, and Reproduction of Organisms: Human Body Systems
Cardiovascular System
Description
Cardiovascular System
The cardiovascular (circulatory) system transports oxygen, nutrients, hormones, and waste throughout the body. It includes the heart, blood vessels (arteries, veins, capillaries), and blood. Together, they ensure every cell receives needed substances and waste is removed. L...
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Transcript
The cardiovascular system is our body's delivery service, transporting oxygen, nutrients, and hormones to every part of our body.
It's made up of three components: the heart, blood vessels, and blood.
The heart is made up of strong muscles that work like a pump to keep blood moving.
Blood vessels are like highways. Arteries car...
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