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Why do humans have canine teeth? Patrick McGannon ... says Richard Potts, director of the Human Origins Program at the Museum of Natural History. Neanderthal DNA makes up a small percentage ...
Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in the human mouth. So what are these long ...
Dog o' Day on MSN1 个月
How many teeth do dogs have? (And why it matters)just like human babies! A puppy should have 14 teeth on top and 14 on bottom. This includes 12 incisors, 4 canine teeth, and ...
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