一个婴儿有多少块骨头的英文怎么说？
编辑：自学文库
时间：2024年03月09日
How many bones does a baby have? A baby is born with around 270 bones. However, as they grow older, some bones fuse together, resulting in a total of 206 bones in adulthood. At birth, a baby's skull alone is made up of multiple bones, which eventually fuse together over time. Their bones are also softer and more flexible compared to adults, as they contain a higher amount of cartilage. The number of bones in a baby's body gradually decreases as they grow and develop. This process is essential for the baby's skeletal system to become stronger and more stable.