Respiratory system

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Across
  1. 5. Breathing heavily after exercise is referred to as paying oxygen..?
  2. 7. Where does gaseous exchange take place?
  3. 8. The production of energy WITHOUT oxygen
  4. 9. The amount of air we take in is called our breathing...?
  5. 11. Carbon dioxide is exchanged with what when we breathe?
  6. 12. The acid produced as a result of anaerobic respiration
Down
  1. 1. The liquid that is a by product of aerobic respiration
  2. 2. The production of energy WITH oxygen
  3. 3. What is the name of the muscle that enables us to breathe?
  4. 4. The act of inhaling and exhaling
  5. 6. What is another name for the windpipe?
  6. 10. What transports glucose and oxygen around our body?