When a baby is first born, there's all sorts of crazy stuff going on: its lungs wake up and let out a cry (but no actual tears, since baby tear ducts aren't fully formed), it's often covered in fur (called lanugo, which keeps the fetus warm in the womb), and it might even be seeing upside-down.
Which Way Is Up?
All In Your Head
Watch And Learn: Our Favorite Content About Infant Development
5 Amazing Facts About Babies
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Key Facts In This Video
Milk produced by mothers shortly after birth is low in fat, saturated with antibodies and is high in protein. 00:39
Babies are born with approximately 270 bones. 01:33
A baby's "soft spot" on the head is known as the fontanelle. 01:55
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