Question

Write two features of alveolienable them to perform their function

Answer 1

Answer:

Here are some features of the alveoli that allow this:

they give the lungs a really big surface area.

they have moist, thin walls (just one cell thick)

they have a lot of tiny blood vessels called capillaries.

Explanation:

Answer 2

Answer:

The two features of alveoli are

• They give the lungs a really big surface area.
• They have moist, thin walls (just one cell thick)
• They have a lot of tiny blood vessels called capillaries.