Blood Vessels and Heart

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Across
  1. 3. Capillaries have very _____ walls.
  2. 6. Veins take blood ________ the heart.
  3. 9. Which side of the heart takes blood to the lungs?
  4. 10. Which side of the heart is thicker?
  5. 11. This blood vessel takes blood to each cell in the body.
  6. 15. What word describes blood without oxygen?
  7. 17. What is the name of the top chambers of the heart?
Down
  1. 1. What is the name of the bottom chambers of the heart?
  2. 2. Arteries have thick layers of elastic fibres and ________.
  3. 4. Arteries carry blood at what type of pressure?
  4. 5. Which blood vessel has a wide lumen?
  5. 7. Arteries take blood _______ from the heart.
  6. 8. What word describes blood with oxygen?
  7. 12. What is the function of the circulatory system?
  8. 13. Veins carry blood at what type of pressure?
  9. 14. This blood vessel has valves.
  10. 16. What is the name of the organ that pumps blood around your body?