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Our skin has the sensory receptors that send any signal of feelings to the brain. When the body receives certain injury, the body feels unpleasant. That feeling is known as pain. When the injury is severe, the pain increases and sometimes it leads to loss of blood from the circulatory system that escapes from the wound. That condition is known as bleeding. When pain and bleeding normally happens, it should be treated immediately. Or it may result to immediate swelling and may be the cause of infection sometimes. So, although a little pain and bleeding may seem normal, it should not be avoided and immediately taken care of.