I think the answer is true, but i’m not completely sure, sorry if i am wrong
they should do B. seek out assistance when needed it is the only one that is not a bone head move! if that was not enough here you go!
The answer is that Epithelial cells act as a passageway in which the air moves into the lungs. The epithelial cells in the respiratory system would serve as a leak proof barrier that do transports, filters as well as conditions the air one is breathing.
The Centers for Disease Control
Partial thromboplastin time asseses for therapeutic effect of heparin.