Across
- 2. two branches on left and right
- 5. the surface of an alvelor is
- 6. air is drawn into the lungs, by the contraction of the extrenal____ muscle
- 7. when youre running, you built up an?
- 9. what happens to during the day
- 10. where roots get o2 from
- 11. what is inside the voice box
- 12. ____ oxygen diffuses into the leaves through stomata
- 13. from nose/mouth, air travels through
- 14. leaves photosynthesis in
- 16. when oxygen is taken, what is released
Down
- 1. what happens to plant during the night
- 3. muscles respires in what way
- 4. the shape of rbc
- 7. total surface area of alveoli is
- 8. what is below the epiglottis
- 15. the air we breath travels down?