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How Do Bones Support Body Weight?
Chapter 29: Skin, Skeletal, and Muscular Systems
Human bones can support more weight than granite or concrete can. How does the cylindrical shape of long bones help them to support the body's weight? You can find out if you…
Try This
- Fold a large index cards in half and stand it on its edges like a tent.
- Test how much weight the card can support by placing a lightweight book on it. Continue adding books until the card falls flat. Record your observations.
- Fold a second large index card in half, and then in half again. Tape the ends of the card together to form a square tube. Repeat step 2.
- Roll a third large index card into the shape of a cylinder and tape the ends together. Repeat step 2.
Analyze Your Results
- Which of the shapes was able to support the most weight?
- Which parts of the human body have bones that resemble cylinders?
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