Brain › Science & TechnologyOn average, how much of a persons body weight is muscle?15%65%90%40%AnswerThe correct answer is D) 40%.More Science & Technology questionsHow many muscles are in the human body?How many muscles are in your face?There are 3 types of muscle in the human body. What are they?Which of these would not cause a muscle cramp?What connects muscles to bones?Which are the four tastes considered as basic in Western culture?Play Brain · Practice