Circulatory System

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Across
  1. 3. This blood vessel is the largest artery in the body and carries blood from the left ventricle to the entire body
  2. 7. The pigment in red blood cells that carry oxygen around the body
  3. 10. These blood vessels carry blood away from the heart
  4. 11. The smallest of the blood vessels. These are only one cell thick
  5. 13. The tissue responsible for transporting nutrients and oxygen around the body
  6. 15. This blood vessel enters the heart through the right atrium
  7. 16. The shape of red blood cells that allows for maximum surface area
  8. 17. Veins have these to prevent backflow of blood
  9. 18. The space in the middle of veins and arteries where the blood flows
Down
  1. 1. This blood vessel carries blood from the heart to the lungs
  2. 2. The piece of muscle that divides the two sides of the heart
  3. 4. This vibration of the beating fo the heart can be felt at certain points of the body
  4. 5. The specialized blood cells that help to fight infection
  5. 6. These blood cells help to form blood clots
  6. 8. The right and left lower chambers of the heart
  7. 9. The liquid part of the blood that carries digested materials
  8. 10. The right and left upper chambers of the heart
  9. 11. These blood vessels provide oxygen for the heart
  10. 12. This blood vessel carries oxygenated blood from the lungs into the left atrium
  11. 14. The heart is made up of this type of muscle
  12. 17. These blood vessels carry blood toward the heart