free powerpoint templatespage 1 circulatory system human body systems

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Circulatory SystemCirculatory System

Human Body Systems

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What does this body system do for us?What does this body system do for us?

• Transport oxygen to all of our cells• Transport carbon dioxide away to lungs• Transport nutrients to all cells• Transport waste materials away• Distribute our immunity cells/molecules• Distribute our blood clotting agents• Distribute hormones about our body• Help in thermoregulation – distributing heat

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The Mammalian HeartThe Mammalian Heart

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Blood PressureBlood Pressure

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Blood Pressure

• The pressure the blood exerts on the walls of the blood vessels

• The heart is a pump and creates this pressure

• The blood vessels contain muscle and elastic tissue and may constrict and dilate which is a factor

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Blood vesselsBlood vessels

Three major types:1. Arteries

2. Capillaries

3. veins

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Arteries:Arteries:

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CapillariesCapillaries

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Veins:Veins:

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BloodBlood

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