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Baby Facts

AARON AMAT—GETTY IMAGES

Human babies are different from adults. They change a lot as they grow.

1. Adults have about 200 bones. Babies have more than 270 bones. Some join over time.

2. A baby’s eyes are a different color. They may start as gray or blue. They can change over time. This can take up to a year.

3. Babies are born without kneecaps. These develop by about six months.

4. Babies have many tastebuds. They have three times as many as an adult.