1. Unit 2, Topic 7: Circulation

2. Open vs. Closed Circulation
Unit 2, Topic 7: Circulation
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Open vs. Closed Circulation

3. Vertebrate Circulation
Unit 2, Topic 7: Circulation
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Vertebrate Circulation

4. Human Circulatory System
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Human Circulatory System
Closed system
Four chambered heart
Double circulation
Pulmonary circuit – blood pumped through lungs
Systems Circuit – blood pumped through the rest of the body
Your Goal: Describe the path of blood through the circulatory system using anatomical terms and describing the relative concentrations of O2 and CO2 in the blood

5. Types of Blood Vessels Artery – carries blood away from the heart
Unit 2, Topic 7: Circulation
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Types of Blood Vessels
Artery – carries blood away from the heart
Vein – carries blood toward the heart
Capillary – tiny vessels thin walls, location of exchange
Gases
Glucose
Electrolytes
Amino acids

6. Unit 2, Topic 7: Circulation
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Blood flow in veins
Skeletal muscle contractions help move blood back to the heart
Valves avoid reverse flow

7. Unit 2, Topic 7: Circulation
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Start here with E and C

8. The mammalian heart: a closer look
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Unit 2, Topic 7: Circulation