Photosynthesis Vocab

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Across
  1. 5. Little blood vessels that transport blood
  2. 9. a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart
  3. 10. Takes oxygenated blood from the heart out to the circulatory system
  4. 11. carries deoxygenated blood to the heart
  5. 13. Main organ that pumps blood
  6. 15. the main blood vessel through which oxygen and nutrients travel from the heart to organs throughout your body
  7. 16. forces oxygenated blood through the aortic valve to be distributed to the entire body.
Down
  1. 1. pumps the blood to the lungs where it becomes oxygenated
  2. 2. What humans breath in and it supports life
  3. 3. blood vessels that carry oxygen-rich blood from your lungs to your heart
  4. 4. a large, valveless vein that conveys venous blood from the upper half of the body and returns it to the right atrium
  5. 6. The things that humans and most animals use to breath with
  6. 7. receives oxygen-poor blood from the body and pumps it to the right ventricle.
  7. 8. what people breath out and gets transformed into oxygen by photosynthesis
  8. 12. receives oxygen-rich blood from the lungs and pumps it to the left ventricle
  9. 14. Has flaps that make sure that blood flows in the right direction