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swat32
3 years ago
5

Fill in the blank with the best word to complete the sentence.

Biology
2 answers:
makvit [3.9K]3 years ago
4 0

i believe the answer is pathogens

max2010maxim [7]3 years ago
3 0

What are white blood cells protect against pathogens and aid in blood clotting when injuries are sustained.

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