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Human Body Systems Circulatory System Free Powerpoint Templates Page 1 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 Free Powerpoint Templates Page 2 Free Powerpoint Templates Page 3 Free Powerpoint Templates Page 4 The Mammalian Heart Free Powerpoint Templates Page 5 Free Powerpoint Templates Page 6 Free Powerpoint Templates Page 7 Blood Pressure Free Powerpoint Templates Page 8 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 Free Powerpoint Templates Page 9 Free Powerpoint Templates Page 10 Blood vessels Three major types: 1. Arteries 2. Capillaries 3. veins Free Powerpoint Templates Page 11 Arteries: Free Powerpoint Templates Page 12 Free Powerpoint Templates Page 13 Capillaries Free Powerpoint Templates Page 14 Free Powerpoint Templates Page 15 Free Powerpoint Templates Page 16 Veins: Free Powerpoint Templates Page 17 Free Powerpoint Templates Page 18 Blood Free Powerpoint Templates Page 19 Free Powerpoint Templates Page 20 Free Powerpoint Templates Page 21 Free Powerpoint Templates Page 22