| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many rods and cones do humans have | 0.73 | 0.7 | 9199 | 63 |
| do humans have more cones than rods | 1.66 | 0.4 | 7562 | 33 |
| do humans have more rods or cones | 0.22 | 0.6 | 1350 | 76 |
| number of rods and cones | 1.55 | 0.4 | 4883 | 39 |
| how many rods and cones in eyes | 0.83 | 0.9 | 297 | 25 |
| how many cones do humans have | 1.89 | 0.3 | 2983 | 8 |
| human eye cones and rods | 1.21 | 0.8 | 2513 | 33 |
| eye rods and cones facts | 1.74 | 0.1 | 7306 | 5 |
| do we have more cones or rods | 1.52 | 0.9 | 7982 | 54 |
| size of a rods and cones | 1.22 | 0.9 | 3074 | 35 |
| rods and cones are present in | 1.83 | 0.1 | 8520 | 40 |
| how many rods in the human eye | 0.03 | 0.2 | 2453 | 13 |
| cones are more numerous than rods | 0.25 | 0.4 | 1988 | 29 |
| anatomy of rods and cones | 1.25 | 0.9 | 9997 | 45 |
| what is true about rods and cones | 1.91 | 0.5 | 6010 | 34 |
| rods and cones explained | 0.5 | 0.4 | 2406 | 61 |
| number of rods in human eye | 1.03 | 0.7 | 9934 | 75 |
| number of cones in human eye | 0.95 | 0.8 | 742 | 63 |
