Eric： What are you doing, Diana?

Diana：I'm reading a book about a facts about animals and man.

Eric： Really? What does it say?

Diana：Do you know how much fa man has?

Eric： That's an easy question. Usually, it makes up about 15% to 20% of a man's body.

Diana：That's true. And how mbones does a man have?

Eric： 206. Everybody knows it.

Diana：That's not always true. A young child has mbones than an adult. A baby may

have as many as 305 bones at b.

Eric： That's really interesting. And does the book say aabout the giraffe?

Diana：Yes, it's the tallest animal on the e. It is almost three tas tall as the tallest man.

Eric： Elephants are also tall and big in s. These animals must have strong legs.

Diana：But elephants don't have any bones in the b of their feet.