Because it is
adult got more air sacs than children because there lungs are bigger than children so the air sacs have to fit in the adult's lungs
the thin-walled sacs in the lungs are the alveoli. they are tiny are sacks in your lungs.
the thin-walled sacs in the lungs are the alveoli. they are tiny are sacks in your lungs.
Not sure have no clue
It is to increase the surface area of the lungs so that more oxyen can be taken in.
air sacs are in the lungs and when you breathe in blood carries it to the lungs.
The small sacs are alveoli which is where oxygen and carbon dioxide are exchanged
Either the heart or the lungs but I'm not sure which.
small air sacs in your lungs are alveoli (plural) they are where the air you breath in is stored
Alveolar means pertaining the the alveolus (plural alveoli), the small air sacs in the lungs.
Alveoli alveoli - air sacs in your lungs
The smallest tube in the lungs is the Bronchus