Page 73 - Miracles in Our Bodies

Properties of Bones

structure, they are also very rigid. However this does not

mean that they are fragile. On the contrary, they are

so rigid that if you take

the same amounts of

bone and steel, they

are 5 times stronger

than steel. The
thighbones in our

legs, for example, have

such an enormous capacity

that they can lift a one ton load

while standing upright. When

you hop or jump from side to
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