The film discusses the anatomical and functional significance of the nose ... Keywords nose, throat, ears, anatomy, health, mucus membrane, infections, hearing loss, medical advice, tonsils ...

The respiratory system is responsible for the exchange of ... will restrict oxygen flow to the lungs. The primary function of the lungs is to exchange oxygen for carbon dioxide.

Take a deep breath — here's how the respiratory system works. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The human respiratory ...