List the functions of the respiratory system

Explanation

The five primary functions of the respiratory system are,
1. To exchange `O_(2)` and `CO_(2)` between the atmosphere and the blood.
2. To maintain homeostatic regulation ofbody pH .
3. To protect us from inhaled pathogens and pollutants.
4. To maintain the vocal cords for normal communication (vocalization).
5. To remove the heat produced during cellular respiration through breathing.