True Or False 21. We Can Avoid Respiratory Ailments If We Live In A Heavily Polluted Place. 22. Duri

True or false 21. We can avoid respiratory ailments if we live in a heavily polluted place. 22. During inhalation, our chest cavity becomes smaller. 23. During inhalation, we absorb all oxygen in the air we breathe in. 24. Nitrogen is mostly the air we inhale. 25. There has still oxygen in the air we breathe out.

 

Answer:

pa follow up at brainliest at heart at 5 star nalang

꧁✨THANKS IN ADVANCE✨꧂

Explanation:

1. true
2. false
3. true
4. false
5. true