Lungs have a large number of alveoli for

Lungs have a number of alveoli for

Lungs have a large number of narrow tubescalled

Lungs have a large number of narrow tubes called

Lungs have a large number of narrow tubes called:

Division of mammalian lungs into a very large number of tiny alveoli around alveolar ducts opening into brondchioles, is

Presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is

The presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is

Presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is