Answers

2015-07-09T21:42:49+05:30
The mechanisam of gasses exchange in bronnchiole level is if one is there it is called dronchie so now when we in hale gas with that many gases wll come like carbondioxide;nitrogen and oxygen from that our lungs has bronchiles they will absorbs that gases and takes on oxygen and removes more amount  of CO2 and N2.
0