about 3 million
300 million per lung
By the lungs and alveoli.
alveoli
the alveoli
There are hundreds of thousands of alveoli.
Between 640 and 850 muscles in a normal human's body.
Alveoli are very tiny air sacs found in the lungs where CO2 and O2 are changed.
the alveoli
The plants and algae around the world.from air normal
The parts of the human respiratory center are the lungs, alveoli and bronchioles.
There are 23 haploid chromosomes in a normal human gamete (sex cell).
There are 23 haploid chromosomes in a normal human gamete (sex cell).