The heart

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Across
  1. 4. gas needed for photosynthesis
  2. 9. What side of heart has a thin wall
  3. 10. Blood comes in from the right atrium into this
  4. 13. The deoxygenated blood enters in from the bottom of the heart from the body
  5. 14. Which blood vessel has the largest lumen?
Down
  1. 1. Deoxygenated blood enters from the right ventricle to here and this sends blood to the lungs
  2. 2. regulate gas exchange between the plant and environment and control of water loss
  3. 3. which blood vessel carries blood away from the heart?
  4. 5. is the net transfer of particles across a concentration gradient from an area of high concentration to low
  5. 6. a waste product of photosynthesis
  6. 7. What side of the heart has a thick wall?
  7. 8. The deoxygenated blood enters in from the top of the heart from the body
  8. 9. deoxygenated blood enters from the Vena cava into here
  9. 11. needed for photosynthesis
  10. 12. What blood vessel has substance exchange by diffusion?