Circulatory System Review

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Across
  1. 3. The largest blood vessel in the body
  2. 5. Red blood cells contain _______ to carry oxygen to cells.
  3. 7. These separate the chambers of the heart
  4. 9. Artieries have (higher/lower) blood pressure than veins
  5. 11. These cells fight infection.
  6. 12. The organ that exchanges gases for the blood
  7. 14. Heart disease can occur when blood vessels harden or ______ forms on the walls
  8. 15. The part of the heart that receives blood from the veins
  9. 16. The blood vessels that take blood to the body
  10. 17. The ________ chambers of the heart hold oxygenated blood.
  11. 18. The fluid that carries blood cells through the body
Down
  1. 1. Blood is a type of _________ tissue
  2. 2. The blood vessels that deliver oxygen to cells
  3. 4. The part of the heart that pumps blood to the lungs or body
  4. 6. The blood vessels that return blood to the heart
  5. 8. The ___________ artery takes blood from the heart to the lungs
  6. 10. The pump that drives the circulatory system
  7. 13. Veins have ________ walls than arteries because of the difference in blood pressure
  8. 14. The component of blood responsible for clotting