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Mama L [17]
3 years ago
5

the _____ system is a group of proteins in the blood that attack pathogens that enter the body and kill them.

Biology
2 answers:
Karo-lina-s [1.5K]3 years ago
6 0

The answer on edge.nuity is complement system. Hope this helps you out :)

EastWind [94]3 years ago
4 0

the complement system is a group of proteins in the blood that attack pathogens that enter the body and kill them.

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