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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