cir_system

cir_system - Functions of Blood Transport Nutrients Gasses...

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Circulatory System
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Functions Transport oxygen and carbon dioxide Distribute nutrients Transport wastes Distribute hormones Regulate body temperature
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The Heart Cardiac cycle Systole – ventricle contraction Diastole – relaxation of all chambers following contraction of atria
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Blood’s Path Through the Heart - Deoxygenated 1. Vena cava 2. Right atrium 3. Right ventricle 4. Pulmonary Arteries 5. Lungs
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Blood’s Path Through the Heart - Oxygenated 6. Lungs 7. Pulmonary Veins 8. Left atrium 9. Left ventricle 10. Aorta 11. Body
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Influence on Heart Rate Nervous system Hormones
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Unformatted text preview: Functions of Blood Transport Nutrients Gasses Hormones Waste Products Immune Response Blood Composition Plasma 55-60% Red blood cells carry oxygen White blood cells - immunity Platelets clotting ***Blood is mostly saltwater!*** Blood Vessels Arteries/arterioles have smooth muscle in walls, take blood away from the heart Capillaries very small, place where most gas exchange occurs Veins/venules have valves, no muscle, take blood toward the heart...
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cir_system - Functions of Blood Transport Nutrients Gasses...

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