Respuesta :
D. Your immune system is trying to combat pathogens.
please mark brainliest. :)
Answer's >>
Q.1 Immune system.
Q.2 Macrophages.
Q.3 All of the above.
Q.4 Transport fluids.
Q.5 Your immune system is trying to combat pathogens.
I promise you will get an A :)) Your welcome. This is for a K-12 science quiz...