alveoli
I believe the smallest are the alveoli (air sacs), since there are millions of them in the lungs.
there are millions of air sacs in your lungs
alveoli
Because it contains, millions of tiny shards of glass, which can get into your lungs. Is so it can shred your lungs to pieces.
It is to increase the surface area of the lungs so that more oxyen can be taken in.
Alveoli. Singular is alveolus. You have millions of alveoli in your lungs.
Lungs are made up of millions of alveoli and bronchial tubes.
Alveoli
That is not possible. The fluid is collected in millions of very small air spaces.
Alveoli are tiny sacs of air located in your lungs. There are millions of them in your lungs, and they fill up with oxygen when you inhale. They greatly increase the surface area of the lungs so that more oxygen can enter your bloodstream.
They absorb oxygen, then release carbon dioxide. Like a sponge, it absorbs water, and releases the soap and water mixture.
Whales alter their bouyancy depending upon the amount of air that they have in their lungs.