9, 11 Respiratory & Excretory (Urinary)

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Across
  1. 3. the solid waste product that remains after food is digested and nutrients are absorbed
  2. 5. organ that holds urine before it is released from the body
  3. 7. body system that takes in oxygen and releases carbon dioxide
  4. 9. a gas(carbon dioxide),a liquid(urine and sweat), or a solid (feces) removed from the body
  5. 10. tube that connects the throat and nose to the smaller tubes that lead into the lungs.
  6. 11. a colorless, odorless gas produced as a by-product of cellular respiration
  7. 12. an act of giving one thing and receiving another in return
  8. 13. system of an organism's body that performs the function of elimination of wastes
  9. 15. organs that remove waste from the blood and transfer them into urine
Down
  1. 1. filter blood and create urine as a waste by-product
  2. 2. number of breaths per minute
  3. 4. muscular sacs inside the chest that bring oxygen into the body and release carbon dioxide
  4. 6. a liquid waste product produced by the kidneys which the body filters from the blood
  5. 8. small sacs inside the lungs where oxygen and carbon dioxide are exchanged with the blood
  6. 14. completely remove or get rid of (something)