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Biology 9 Online
OpenStudy (praetorian.10):

When an infection occurs, the number of a. red blood cells increase b. red blood cells decrease c. white blood cells increase d. white blood cells decrease e. white and red blood cells increase

OpenStudy (praetorian.10):

i am 99.9% sure its C

OpenStudy (superhelp101):

yup that is soo right white cells are fighters

OpenStudy (praetorian.10):

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