Question

How are the lungs designed to increase the surface area for exchange of gases

Answer 1

Answer:lungs helps us to breathe with the help of heart

Explanation:

Answer 2

Answer:

Explanation:

Lungs play a major role in the respiratory system. In humans, a pair of lungs are designed in such a way that they are lined by a thin membrane, the smaller tubes called bronchioles a balloon-like structure called alveoli and network of blood capillaries increase the surface area for exchange of gases.