Keyword Analysis & Research: what are the purpose of rod cells

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what are the purpose of rod cells	0.51	0.7	9292	31	33
what	0.75	0.2	6109	28	4
are	0.08	0.3	7459	10	3
the	0.9	0.2	5789	100	3
purpose	0.84	0.7	3558	25	7
of	1.07	0.5	1902	31	2
rod	1.54	0.4	5249	66	3
cells	0.42	0.6	4025	91	5

Keyword	CPC	PCC	Volume	Score
what are the purpose of rod cells	1.14	0.9	3587	49