Question

Explain why surface area is important to the function of the respiratory system name the structure involved?

Answer 1

Answer:

Explanation:

The two lungs may contain as many as 700 million alveoli, providing a huge total surface area for gas exchange to take place. In fact, alveoli in the two lungs provide as much surface area as half a tennis court! Each time you breathe in, the alveoli fill with air, making the lungs expand.