Mrs. x was getting out of her car, when she slammed the car door on her knee, hurting it quite badly, even though there was no broken skin or bleeding. the knee became very swollen and painful within the first couple of hours of the injury, making it difficult to walk, so mrs. x went to an emergency room to check her knee. explain what happened here at the cellular level (use the inflammatory reaction cascade to answer step by step).
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You know when a thing or an object strikes our body fast our skin tissues are not getting broken down but oh muscle cells hurt when it slams the tissues of the muscles get torn up and blood gets clot inside and gradually gives a blue-vlack colour.
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