Profuse loss of blood. if an individual loses a certain amount of blood they can die (bleed to death). head injuries tend to bleed a lot; sometimes blunt force trauma to the head can result in internal hemorrhaging and swelling of the brain. In this case not knowing the condition of his brain with the information given the profuse loss of blood is the most likely answer.
substance formed by the chemical combination of two or more elements in definite proportions (a thing that is composed of two or more separate elements; a mixture.)
