Joshua cut his knee while rock climbing. the next day, the cut was red and swollen, and pus was present in the area of the cut. what caused the pus to form?
a. macrophages excreting medicinal material
b. the death of macrophages
c. antigens trying to infect the area
d. blood cells losing their hemoglobin
Answers: 1
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Joshua cut his knee while rock climbing. the next day, the cut was red and swollen, and pus was pres...
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