Does blood always remain red say on a bit of cloth like a towel or does it change colour as time goes by? Like to a brownish colour?
Answer:
Yes the blood can change to a brownish colour due to the lack of oxygen etc present.
The brownish stain you see when something with blood on it has been washed for example is actually a rust stain caused by the iron in the blood.
it will change to a brown color the older it gets
It dries brown
i believe it will change yes :)
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