why do we yawn brain

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do we yawn brain	0.94	0.4	7386	51	20
why	0.24	0.6	6178	94	3
do	0.18	0.9	1984	71	2
we	0.3	0.7	2144	17	2
yawn	1.93	0.9	7221	51	4
brain	1.86	0.1	333	84	5

Keyword	CPC	PCC	Volume	Score
why do we yawn brain	0.62	0.7	5139	68
why do we yawn when we see	1.23	0.3	3412	34
how does yawning affect the brain	1.38	0.6	8004	36
why do humans yawn	0.02	0.6	7264	45
why do we yawn scientifically	1.5	0.3	2033	70
google why do we yawn	0.29	0.2	341	52
why do humans yawn when others yawn	1.92	1	7918	23
why do i yawn when nervous	0.85	0.1	7585	71
why do neuro patients yawn	1.67	0.7	1040	79
do scientists know why people yawn	0.64	0.3	7132	60
why we yawn reasons	1.07	0.2	4007	82
reason why we yawn	0.53	0.3	1977	21
does yawning cool the brain	1.5	0.3	8511	93
why does the human body yawn	0.2	1	3577	10
why do people yawn	1.9	0.8	3350	86
why does our body yawn	1.78	0.1	7842	62
yawning oxygen to brain	0.75	0.6	1260	95
reasons why people yawn	0.06	0.4	8586	87
does yawning mean your brain needs oxygen	1.6	0.7	2098	34