What are blood vessels? Blood vessels are a network of tubes that carry blood throughout the entire body. There are 3 types of Blood Vessels: 1. Arteries.

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Presentation transcript:

What are blood vessels? Blood vessels are a network of tubes that carry blood throughout the entire body. There are 3 types of Blood Vessels: 1. Arteries 2. Veins 3. Capillaries

Arteries The vessels that carry the blood away from the heart are called arteries. They carry oxygenated blood

Veins Veins carry blood towards the heart They carry blood that is de-oxygenated They have valves that stop the backflow of blood

Capillaries Capillaries connect the arteries and veins They carry both oxygenated and deoxygenated blood They are in close contact with cells

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