explain the circulatory system

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
explain the circulatory system	1.74	0.9	5430	31	30
explain	1.65	0.8	93	35	7
the	0.34	0.9	2637	99	3
circulatory	1.59	0.9	6369	11	11
system	1.72	0.1	2689	19	6

Keyword	CPC	PCC	Volume	Score
explain the circulatory system	1.98	0.2	2578	85
explain the circulatory system of cephalopods	0.87	0.5	6263	46
explain the circulatory system of cockroach	0.54	0.6	1753	75
explain how the circulatory system works	1.47	1	9611	14
explain the function of circulatory system	0.29	0.8	7317	49
explain the systemic circulatory systems	1.38	0.6	9099	29
explain the double circulatory system	1.84	0.9	1278	54
explain the term double circulatory system	1.42	0.3	8037	59
explain pathology of the circulatory system	0.05	0.7	3728	43
cephalopods have a closed circulatory system	1.81	0.3	2035	5
do cephalopods have a open circulatory system	1.63	0.8	6656	31
cephalopods open or closed circulatory	1.49	0.8	4951	73
class cephalopoda type of circulatory	1.75	0.6	3153	59
which of the following is a cephalopod	0.66	0.3	7843	41
what are cephalopods quizlet	1.83	0.4	8219	53
what are the characteristics of cephalopods	0.25	0.2	3473	18
fun facts about cephalopods	1.45	0.4	3712	67
identify a feature of cephalopods	0.75	0.9	7929	47
how many hearts do cephalopods have	0.54	0.5	9732	2
what are cephalopods animals	1.4	1	84	58
which characteristic is unique to cephalopods	0.22	0.1	5487	35
do cephalopods have bones	1.92	0.8	8969	35
where are cephalopods found	1.5	0.9	4348	28
evolution of cephalopod nervous systems	0.99	0.7	6252	51