Circulatory System

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Across
  1. 5. Is where gas exchange happens
  2. 7. Is responsible for fighting foreign infections in the body
  3. 8. A valve in the heart with two flaps
  4. 9. Is the largest blood vessel in the body
  5. 11. A valve in the heart with three flaps
  6. 12. Transports blood away from the heart
  7. 14. Is responsible for stopping bleeding when a blood vessel is damaged
Down
  1. 1. Pumps blood throughout the body
  2. 2. Acts as a highway for blood throughout the body
  3. 3. A body system responsible for the transport of blood throughout the body
  4. 4. Refers to the amount of pressure in the circulatory system
  5. 6. Returns blood to the heart
  6. 10. A very small artery leading up to a capillary
  7. 13. Carries nutrients and oxygen throughout the body