Approximately what percent of body weight does the skeletal system account for?

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Multiple Choice

Approximately what percent of body weight does the skeletal system account for?

Explanation:
Think of the skeleton as the heavy, load‑bearing framework of the body. In an average adult, bone mass makes up about one-fifth of total body weight, which is roughly twenty percent. So for a person around 70 kg, that’s about 14 kg of bone. This approximate share is a practical rule of thumb used in anatomy and physiology because bones are dense and mineral‑rich, yet their proportion stays fairly consistent across typical adult sizes. Individual variation exists, but twenty percent is the best quick estimate for the skeletal system’s contribution to body weight.

Think of the skeleton as the heavy, load‑bearing framework of the body. In an average adult, bone mass makes up about one-fifth of total body weight, which is roughly twenty percent. So for a person around 70 kg, that’s about 14 kg of bone. This approximate share is a practical rule of thumb used in anatomy and physiology because bones are dense and mineral‑rich, yet their proportion stays fairly consistent across typical adult sizes. Individual variation exists, but twenty percent is the best quick estimate for the skeletal system’s contribution to body weight.

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