Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
how many rods does each eye contain | 0.67 | 0.3 | 7842 | 92 |
number of rods in human eye | 0.17 | 0.2 | 9004 | 33 |
how many rods in retina | 1.23 | 1 | 3830 | 58 |
how many rods and cones in eyes | 0.43 | 0.2 | 1865 | 71 |
what are the rods of the eye | 1.31 | 0.6 | 4085 | 94 |
rods in human eye | 1.89 | 0.5 | 9703 | 76 |
number of rod cells in human eye | 0.63 | 0.4 | 8088 | 56 |
rods of the eye function | 1.77 | 0.6 | 7411 | 47 |
where are rods found in the eye | 0.92 | 0.7 | 4279 | 51 |
number of rods and cones in human eye | 1.55 | 0.2 | 9100 | 84 |
rods and cones in human eye | 1.79 | 0.5 | 7728 | 6 |