IDNLearn.com is the perfect place to get detailed and accurate answers to your questions. Discover detailed answers to your questions with our extensive database of expert knowledge.

How are gasses exchanged in the alveoli


Sagot :

Answer:

The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.