Respuesta :
Alveoli are referred to as “sac-like”
because they look like small sacs on the end of the bronchioles. The alveoli exchange oxygen and carbon dioxide.
(Note: alveolus is singular; alveoli is plural.)
Alveoli are referred to as “sac-like”
because they look like small sacs on the end of the bronchioles. The alveoli exchange oxygen and carbon dioxide.
(Note: alveolus is singular; alveoli is plural.)