Head, Ears, and Nose
Endangered, Vulnerable, and Threatened Species
Algebra

If you have a bump on your head from hitting a wall how long does it take to get smaller and how much smaller can it get?

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Answer

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Wiki User
02/06/2009

Well, unless it has clotted underneath the skin it will go down in a week or so. It could be sore too. Why not have the wall removed so this doesnt happen again. It should reduce itself to nothing. if u got a bump on your head hit it even harder in the same place and it will go down immedietly no joke