Keyword Analysis & Research: main function of respiratory system

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
main function of respiratory system	0.04	0.9	1464	61	35
main	0.58	0.2	4052	1	4
function	1.91	0.9	5032	69	8
of	1.96	0.8	4658	49	2
respiratory	0.14	0.1	9844	77	11
system	1.88	0.1	2101	4	6

Keyword	CPC	PCC	Volume	Score
main function of respiratory system	0.83	0.4	7408	38
lungs main function in respiratory system	1.46	0.2	6054	95
diaphragm main function in respiratory system	0.58	0.2	763	70
three main function of the respiratory system	1.63	0.4	9910	32
what are the lungs main function	1.75	0.2	6324	46
what is the main function of lungs	1.63	0.4	2008	12
name the primary function of the lungs	0.47	0.7	1048	38
what function does the lung have	1.48	0.8	3405	9