what type of membrane covers the heart

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what type of membrane covers the heart	1.64	0.8	7778	35	38
what	0.37	0.3	1312	80	4
type	0.05	0.8	6074	24	4
of	0.91	1	8514	27	2
membrane	0.3	0.7	5630	48	8
covers	1.56	0.3	7555	60	6
the	0.68	0.2	2018	33	3
heart	1.76	1	3785	94	5

Keyword	CPC	PCC	Volume	Score
what type of membrane covers the heart	0.88	0.5	4414	32
what membrane encloses the heart	1.99	0.7	7863	92
a thin membrane which covers the heart	0.9	0.7	6248	60
membrane surrounding the heart	0.64	1	5387	86
membrane around heart called	1	0.6	7320	69
membrane that encloses the heart	0.73	0.1	3768	95
which is the membrane that encloses the heart	1.16	0.2	9820	42
the tough membrane that encloses the heart	1	0.8	7952	39
name the membrane that encloses the heart	0.81	0.9	9999	14
what is the membrane around the heart	0.46	0.4	2097	29
the membrane that surrounds the heart	1.96	0.5	7574	57
the membrane surrounding the heart	0.99	0.4	9916	5
what membrane is the heart surrounded by	1.98	0.9	7427	85
what membrane covers or surrounds the heart	1.47	0.3	5835	80
membrane covering the heart	0.15	0.5	7088	50
which membrane directly covers the heart	0.48	0.8	4169	14
protective membrane surrounding the heart	1.3	0.6	2328	65