Bones contribute about 12–15 percent of body weight in adults. Muscles contribute nearly 30–50 percent in males and 30–40 percent in females. Together, bones and muscles form the musculoskeletal system that supports movement and posture.
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Bones contribute about 12–15 percent of body weight in adults. Muscles contribute nearly 30–50 percent in males and 30–40 percent in females. Together, bones and muscles form the musculoskeletal system that supports movement and posture.
In adults, bones generally make up about 12–15 percent of total body weight. Muscle mass varies with gender, age and fitness, averaging 40–50 percent in males and 30–40 percent in females. Bones provide support and protection, while muscles produce movement. Together, they form the musculoskeletal system, which maintains posture, body structure and physical activity efficiently.
For more NCERT Solutions of Class 9 Science Exploration Chapter 3 Tissues in Action Question Answer (2026-27)
https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-3/