Explain the bruise piece of equipment?
Answers: Not quite sure what you want. Here go. It is damage to the
surface nouns of ones body. You bang your forearm. Blood
capillary, slowly start to bleed. The harder you hit the faster your bruise shows up.
due to internal bleeding into surrounding tissues from capillaries after a trauma. Platelets eventually clump together to alleviate 'leak' in capillary. Bruise then disappears.