____ are the small sacs that are the site of gas exchange in the lungs

1 answer:

6 0

Answer:

alveoli

Explanation:

They are the smallest structures in our lungs where capillaries exchange O2 and CO2 in blood.

You might be interested in

xenn [34]

4570 lightyears away from earth

8 0

3 years ago

ch4aika [34]

DNA We can change how cells interact

4 0

3 years ago

aliina [53]

Respiration is the reverse of Photosynthesis.

5 0

3 years ago

sveticcg [70]

Answer:

pretty sure its c

Explanation:

dont forget to five-star and heart! :)

8 0

3 years ago

Oxana [17]

D it is found within all the organs of the body

7 0

3 years ago