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Answer : The answer to this is simple. Bruises are caused by leakage in the blood vessels and that happens to make a large pool of blood under the skin, thus turning it purple.It changes from purple to yellow to kinda greenish because slowly the blood vessels and the blood cells are reproducing and cleaning out that area.
Hope this helped :)
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoBruises are like internal bleeding (that's the only way i can think of putting it) they are red or purple (or even greeny yellow) because you are bleeding its just the blood isn't coming out.
Wiki User
∙ 15y agoScabs are blood clots, so when blood dries it's usually a dark red or brownish color. Bruises are damaging of tissue, and can range in colors from yellow to blue to black, since there is rarely bleeding in bruising so there would be not blood clotting, therefore no dark red or brown coloring.
Wiki User
∙ 15y agoA bruise is basically a puddle of blood in/underneath the skin. As the body begins to breakdown the excess blood the puddle will thin out, which causes the color changes.
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Do bruises have acid in?
The initial colour of bruises is due to minor bleeding under the skin, but it then turns a green/yellow colour because bile recycled from the intestine (to the best of my recollection) is sent to the area of bleeding that contains enzymes to break down the escaped cells and plasma. Bile is very slightly alkali, so I don't think bruises have acid in them.
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Hosseini uses pathetic fallacy to show the mood is about to change. He uses the colours 'pink' and 'purple' to describe the sky, which may also symbolise the colour of bruises, to show what is about to happen to Hassan.
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