The Respiratory System

123456789101112
Across
  1. 5. What do you put potatoes in which could be filled with air.
  2. 7. What is breathing in.
  3. 9. What sounds like diagram and is a sheet of muscle that moves when you breathe.
  4. 10. What uses oxygen to release energy from food.
  5. 11. What type of vessel could ship blood around the body.
Down
  1. 1. Poisonous gas which is exhaled.
  2. 2. What type of pipe could carry wind.
  3. 3. What pumps blood around the body.
  4. 4. Carries air into and out of the body.
  5. 6. What meat do you eat at a Chinese Restaurant which is on bone.
  6. 8. What is breathing out
  7. 12. What do trees produce.