How Air Travels Through The Lungs at Traveling

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How Air Travels Through The Lungs. Each bronchus branches out into smaller. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.

Cruise the Body's AIRWays! Kids Environment Kids Health
Cruise the Body's AIRWays! Kids Environment Kids Health from kids.niehs.nih.gov

They contract to pull your rib cage both upward and outward when you inhale. When we relax the muscles, air passes freely through the larynx. Blood with fresh oxygen is carried from your lungs to the left side of your heart, which pumps blood around your body through the arteries.

Cruise the Body's AIRWays! Kids Environment Kids Health

These air sacs, called alveoli, are responsible for gas exchange. From the trachea, two bronchi (one bronchus for each lung) enter the lungs and divide and subdivide into secondary and tertiary bronchi, getting narrower as they proceed into the lung. There are two primary bronchi that branch off from the trachea. As your lungs expand, air is sucked in through your nose or mouth.