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Circulatory System

Circulatory System. The function of the circulatory system is to carry materials all through the body. The main parts of the circulatory system are the heart, the blood, vessels, and the blood.

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Circulatory System

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  1. Circulatory System

  2. The function of the circulatory system is to carry materials all through the body. • The main parts of the circulatory system are the heart, the blood, vessels, and the blood. • Blood carries food and oxygen to all the cells of the body as it is pumped through the blood vessels by the heart. • 2 minute blood video

  3. There are 3 main types of blood vessels. • Arteries (largest)- carry blood away from the heart. • Capillaries (tiny)- so tiny only one cells can pass through them at a time. • These join together to form… • Veins (large)- carry blood back to the heart.

  4. The liquid part of the blood is called plasma. • It makes up over half of the blood. • The rest of the blood is made up of different kinds of solid particles. • Red blood cells- carry oxygen and carbon dioxide in the body • White blood cells- help attack germs and fight diseases • Platelets- help the blood to form clots that seal injuries.

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