Answer:
oxygen
Explanation:
because it are the chimacles in the oxygen
Answer:
Photosynthesis releases oxygen
Explanation:
and oxygen is used for breathing if you didn't know :D
Genetics, double helix, cells
Answer:
the broadest is domain ,kingdom ,phylum, class, order, family, genus and then species is the most specific
Residual volume (RV)
The amount of air left in the lungs after a maximal exhalation. The amount of air that is always in the lungs and can never be expired (i.e.: the amount of air that stays in the lungs after maximum expiration). Values between 75% and 125% of average value are considered normal.