There are different
types of joints between
our bones. While
some joints enable
bones to move back
and forth, others en-
able bones to move side-
ways. Now let's examine the
joints and bones a little more
closely.
Our bones have undertaken the du-
ties of carrying and protecting our bodies.
Certainly, they are created capable
and strong enough to perform
these hard duties.
Our bones are light be-
cause they are interspersed
with small holes like a honey-
comb. But even though they are
very light thanks to this porous
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T h e I n i m i t a b l e
The
E i f fe l
Tower
