Fact Check: "The human body has 206 bones."
What We Know
The claim that "the human body has 206 bones" is a widely accepted fact in human anatomy. This number is typically cited in educational materials and anatomical references. The standard adult human skeleton is composed of 206 bones, which includes various types such as long bones, short bones, flat bones, and irregular bones. However, it is important to note that this number can vary slightly due to individual differences, such as the presence of additional small bones known as sesamoid bones or variations in the number of vertebrae in the spine (Mankind, Human, Man, Human-being有何异同?).
Analysis
While the claim itself is generally accurate, the context in which it is presented can lead to misunderstandings. The number 206 applies primarily to adults; infants are born with approximately 270 bones, many of which fuse together during growth and development to form the standard adult count of 206 (Mankind, Human, Man, Human-being有何异同?).
The sources available for this fact-check do not provide peer-reviewed scientific literature or authoritative anatomical texts, which raises questions about their reliability. The cited sources are primarily from a social media platform (知乎), which, while useful for general inquiries, may not meet the rigorous standards of academic or medical sources. Therefore, while the claim is supported by general knowledge, the lack of credible sources in this instance limits the verification of the claim.
Conclusion
Verdict: Unverified
The claim that "the human body has 206 bones" is widely accepted and generally accurate for adults, but variations exist, and the sources provided do not offer sufficient academic credibility to fully substantiate the claim. The absence of authoritative references means that while the claim is likely true, it cannot be definitively verified based on the available evidence.