Across
- 1. a place where gaseous exchange between the air in the air sacs and the blood in the capillaries takes place.
- 3. the number of times we breathe in one minute
- 5. to conditions the inhaled air to be warmer before entering the lungs.
- 7. a process which releases energy from the food we eat.
- 8. the part that connecting the nose and the lungs.
- 9. when we breathe, our body takes in____
Down
- 2. when we breathe, our body removes___
- 4. When we exercise, our breathing rate_____
- 6. the parts of our body that help us to breathe