Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
organs of the immune system and functions | 0.95 | 0.4 | 3899 | 91 |
immune system major organs and functions | 0.91 | 0.3 | 4143 | 1 |
organs of immune system and their functions | 1.32 | 0.3 | 4781 | 88 |
functions of immune system organs | 1.86 | 0.4 | 2045 | 60 |