Keyword Analysis & Research: what is the function of rods and cones

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the function of rods and cones	1.3	0.3	4169	48	38
what	1.33	0.1	2148	54	4
is	1.52	0.4	2954	49	2
the	1.78	0.3	2773	8	3
function	1.48	0.5	9844	53	8
of	1.49	0.1	415	20	2
rods	0.55	1	3796	83	4
and	0.8	0.5	4873	50	3
cones	1.37	0.9	6289	25	5

Keyword	CPC	PCC	Volume	Score
what is the function of rods and cones	0.67	0.2	9294	89
rods and cones function	1.02	0.6	4803	39
rods vs cones function	0.71	0.6	3717	2
function of rods and cones in eye	0.02	0.7	9506	17
rods and cones function in the eye	1.91	0.6	2785	20
what are the functions of rods and cones	0.81	0.3	3076	63
function of rods and cones in human eye	1.21	0.3	5397	35