Circulatory System

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Across
  1. 2. contains hemoglobin, which reacts with oxygen
  2. 3. defend the body against pathogens
  3. 6. to stop blood from flowing backward
  4. 8. muscular, elastic tubes that transport oxygenated blood away from the eart
  5. 9. carry deoxygenated blood to hte heart
  6. 11. a dark red chemical responsible for transporting oxygen
  7. 13. heart has a double pump and circulation. Pulmonary circuit and systemic circuit
Down
  1. 1. is the volume of blood pumped out of the heart with every beat.
  2. 4. tiny blood vessels that form networks. Blood from arteries flow into capillaries
  3. 5. is the amount of blood pumped from the heart every minute and can be calculated by multiplying heart rate (HR) by stroke volume (SV)
  4. 7. consists water, allows susbstances to dissolve and be transported easily
  5. 10. contains enzymes that causes blood to clot when there is damage to blood vessels.
  6. 12. a liquid containing four components: plasma, RBC's, WBC's,platelets