they are called alveoli
Another word for the coarse sack is a "gunnysack" or "potato sack."
A burlap bag. A potato sack A gunny sack
The hacky sack was invented in China. Another name for hacky sacks are footbags.
Put the original sack into another sack. Hoorah!
its many things. two of which are an empty sack of potatoes, and an organ inside a fish(aka air bladder)
Erna Sack's birth name is Weber, Erna.
Another name for air resistance is aerodynamic drag.
Sack.
Another name for a hot air balloon is an aerostat.
A sack.
the another name of helium is constofostious air it is the meaning of water ,gas air combined
A bivi bag is another name for a bivouac sack - waterproof fabric designed to slip over a sleeping bag.