1
Related to or affecting respiration of the organs of respiration
2
Muscular partition separating the torax from the abdomen.
3
The air passage from the throat to the lungs, the trachea.
4
Two external openings of the nasal cavity.
5
The large air passages that lead from the trachea.
6
Is where the lungs and blood exchange oxygen and carbon dioxide.
7
We breathe oxygen from the air around
8
Microscopic hair-like structures or organelles that extend from the surface of cells.
9
Chemical element that constitutes 21 percent of the earths atmosphere
10
Is a slippery asqueus secretion produce by mucous membranes.
11
Each of the pair of the organs situated within the ribcage