| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| does passive immunity involve memory cells | 1.84 | 0.9 | 3762 | 2 |
| does passive immunity produce memory cells | 0.63 | 0.9 | 5301 | 48 |
| are memory cells produced in passive immunity | 1.77 | 0.5 | 6211 | 97 |
| what are memory cells in active immunity | 0.47 | 0.3 | 1987 | 70 |
| are memory cells produced in active immunity | 1.06 | 0.5 | 3841 | 86 |
| passive immunity and active immunity | 0.84 | 0.8 | 4721 | 69 |
| explain passive immunity and active immunity | 0.95 | 0.1 | 8148 | 30 |
| passive and active immunity | 1.37 | 1 | 6502 | 19 |
| memory cells in the immune system | 1.7 | 0.1 | 1461 | 95 |
| discuss passive and active immunity | 0.36 | 0.3 | 1106 | 36 |
| what is passive immunity | 1.31 | 0.2 | 9511 | 100 |
| memory cells function in immune system | 0.17 | 1 | 1042 | 49 |
| what is passive immunity in biology | 0.47 | 0.2 | 1533 | 27 |
| what does passive immunity give you | 0.02 | 0.3 | 7174 | 97 |
| passive immunity from mother | 1.92 | 0.7 | 7669 | 61 |
| passive immunity versus active immunity | 0.03 | 0.7 | 8164 | 3 |
| passive immunity differs from active immunity | 1.2 | 0.8 | 1929 | 96 |
| what is meant by passive immunity | 0.9 | 0.1 | 2243 | 92 |
