3D
Ear
Print
 
Screen 1 of 1
Scientists
have
made
human
body parts
including
 
an
ear,
muscle
 
and
bone
using
 
a
3D
printer.
 
 
The
ear
 
and
bone
were
put
into
rats
 
 
where
they
developed
 
their own
blood supply
 
and
cells.