Circulatory System Vocabulary
| __ | 1. | Arteries | | A. | Where blood enters the heart; sent to ventricles | | __ | 2. | Atrium | | B. | Directs the flow of blood in the heart and veins | | __ | 3. | Capillaries | | C. | Carry blood to the heart | | __ | 4. | Plasma | | D. | Pass and receive materials into the bloodstream | | __ | 5. | Platelets | | E. | Repairs damaged blood vessels by forming clots (scabs) | | __ | 6. | Red Blood Cells | | F. | Lower chambers of heart; pumps blood to arteries | | __ | 7. | Valves | | G. | Carry blood away from heart | | __ | 8. | Veins | | H. | The liquid part of blood; it transports larger materials | | __ | 9. | Ventricles | | I. | Transports oxygen and carbon dioxide | | __ | 10. | White Blood Cells | | J. | Defends and protects the body by destroying pathogens |
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