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Questions about Bone

Short answers, pulled from the story.

How many bones are in the adult human body?

The adult human body contains a total of 206 separate bones. This number results from approximately 300 bones present at birth fusing together during development.

What is the largest bone in the human body and where is it located?

The femur or thigh-bone is the largest bone in the human body. It functions as a long bone with a shaft called the diaphysis and rounded heads known as epiphyses.

When does skeletal maturity occur and what happens to the epiphyseal plate?

Skeletal maturity occurs between 18 to 25 years of age when all cartilage is replaced by bone. This process fuses the diaphysis and both epiphyses together in an event called epiphyseal closure.

Why do birds have hollow bones compared to mammals?

Bird skeletons are very lightweight with bones smaller and thinner than those of mammals to aid flight. Many bird bones contain little marrow because they are hollow structures designed for aerial movement.

How was oracle bone script used in ancient China?

Oracle bone script was a writing system used in ancient China based on inscriptions made mainly on ox clavicle bones. The Ancient Chinese would write questions on the bone and burn it so cracks would provide answers.