Question

Write a brief note on "alveolar surface" of the lungs.​

Answer 1

Explanation:

Alveoli are also sparsely present on the walls of the respiratory bronchioles and alveolar ducts. Together, the lungs contain approximately 2,400 kilometres (1,500 mi) of airways and 300 to 500 million alveoli.

Answer 2

Answer:

the alveoli are located at the ends of the air passageways in the lung's. they have very thin , wet walls and are surrounded with a network of small blood vessels or capillaries in an average human lungs, there are 480 million alveoli. there total surface area is around 75sq/m