But Why: A Podcast for Curious Kids How do broken bones heal?
Sep 6, 2024
In this engaging discussion, Melissa Raddatz, a family nurse practitioner specializing in orthopedics at Duke Health System, dives into the fascinating world of bones. She explains why bones are vital to our structure and support, and how they grow from 270 at birth to 206 in adulthood. Listeners learn about the types of broken bones, the healing process, and the technology behind casts. Melissa also shares insights on why kids are more prone to fractures and the importance of nutrition in maintaining strong bones. Perfect for curious minds!
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Bone Function
- Bones provide structure, enabling upright posture and movement.
- They act as the body's foundation, supporting activities like playing and jumping.
Bone Count
- Adults have around 206 bones, but babies start with about 270.
- Bones fuse together during growth, completing around age 25.
Bone Composition
- Bones have liquid bone marrow inside where growth begins.
- The outer part is made of hard calcium, providing strength.