Human Biology

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Across
  1. 5. atrium Receives deoxygenated blood from the body via the vena cava.
  2. 6. Blood with little or no oxygen.
  3. 8. Help in blood clotting.
  4. 9. cava Large vein carrying deoxygenated blood into the heart.
  5. 10. Tiny blood vessels where diffusion of gases and nutrients occurs.
  6. 13. Movement of substances (like gases) across capillary walls.
Down
  1. 1. The largest artery; carries oxygenated blood from the heart to the body.
  2. 2. Carries blood away from the heart.
  3. 3. blood cells Fight infection.
  4. 4. Divides the left and right sides of the heart.
  5. 7. The liquid part of blood that carries cells and substances.
  6. 8. artery Carries deoxygenated blood from the heart to the lungs.
  7. 9. Carries blood toward the heart.
  8. 11. blood cells Carry oxygen using haemoglobin.
  9. 12. vessel General term for arteries, veins, and capillaries.