Page 103 - (DK) I Can’t Believe It! 2

IT CAN’T BE TRUE! 101

FAST FACTS
Babies are born Bone is incredibly
with around 300 strong. A cube of
bones. As they bone measuring
grow up, many ½ in (1 cm)
of the bones— along each side
such as those would be able to
in the skull— 3,821 lb support 3,821 lb
(1,733 kg)
fuse together, (1,733 kg)—the
so most adults weight of an adult
Adult skull Baby skull have 206 bones. male hippo.
Piece of bone

There are
33 vertebrae
(bones) in the
human spine.

The femur
(thighbone)
is the
heaviest
bone in the
body. The
lightest is
the stapes,
found in
the ear.

US_100_101_309600_ICBT_Bones_big_small.indd 101 19/12/17 12:57 pm