| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sac like membrane | 1.5 | 0.1 | 7026 | 46 | 17 |
| sac | 1.67 | 0.6 | 8929 | 31 | 3 |
| like | 0.94 | 0.5 | 695 | 67 | 4 |
| membrane | 1.21 | 0.8 | 8173 | 58 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sac like membrane surrounding heart | 0.58 | 0.9 | 8106 | 70 |
| sac like membranes are known as | 1.98 | 0.6 | 5063 | 94 |
| sac like structure around the heart | 1.64 | 0.9 | 2022 | 35 |
| membranous sac that encircles the heart | 0.17 | 0.7 | 5528 | 88 |
| sac surrounding the heart | 0.65 | 0.8 | 6454 | 73 |
| membranous sac that contains the heart | 1.16 | 0.1 | 5661 | 32 |
| sac that surrounds the heart | 1.67 | 0.8 | 5824 | 91 |
| what is the membrane surrounding the heart | 1.21 | 0.1 | 4950 | 41 |
| sac that encloses the heart | 1.13 | 0.1 | 8010 | 44 |
| sac containing the heart | 1.49 | 0.9 | 5410 | 4 |
| sac that surrounds the heart is called | 1.47 | 0.1 | 9677 | 96 |
| membrane that surrounds the heart | 0.84 | 1 | 7216 | 11 |
| a thin sac that surrounds the heart | 0.59 | 0.9 | 3017 | 40 |
| what is the membrane around the heart | 1.4 | 0.5 | 1133 | 14 |
| sac around the heart is called | 0.2 | 0.3 | 1692 | 82 |
| sac that covers the heart | 1.7 | 0.4 | 6074 | 55 |
| membrane bound flattened sacs is termed as | 1.82 | 0.1 | 1193 | 18 |
| internal membrane that is a flattened sac | 1.4 | 0.7 | 2229 | 68 |
| small membrane bound sacs | 0.72 | 0.6 | 478 | 60 |
| closely stacked flattened membrane sacs | 1.89 | 0.7 | 1528 | 34 |
