how do lungs exchange gases

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how do lungs exchange gases	0.27	0.6	6357	31	27
how	0.52	0.7	6088	23	3
do	0.65	0.3	3883	56	2
lungs	1.91	0.4	4660	98	5
exchange	0.86	1	6190	93	8
gases	0.71	0.6	8933	22	5

Keyword	CPC	PCC	Volume	Score
how do lungs exchange gases	1.69	0.6	2778	58
exchange of gases in the lungs	1.84	1	3861	19
the exchange of gases in the lungs is called	1.5	0.1	3321	80
exchange of gases between lungs and blood	0.5	0.9	6553	46
tissues in the lungs that exchange gases	0.95	0.9	8062	65
how lungs are designed for exchange of gases	0.51	0.8	1309	24
describe the exchange of gases in the lungs	0.56	0.1	8456	73
exchange of gases in the lungs is called	1.53	1	9143	94
exchange of gasses in the lungs	1.41	0.7	8692	92
process of gas exchange in the lungs	1.23	0.4	1476	62
site of gas exchange in the lungs	0.89	0.2	7982	36
primary site of gas exchange in the lungs	1.64	0.5	3103	69
main site of gas exchange in the lungs	1.2	0.4	9148	80