Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..

unconscious


not awake

  

physical therapy


exercise and massage used to treat problems with the body

 

prosthetics


pieces of equipment that replace missing parts of a body

 

artificial


made by humans, not by nature

 

amputees


people who have lost all or part of an arm or a leg

 

molten


melted by heat

 

petrified


turned into stone

 

archaeologists


people who study the past by digging up old buildings and objects

 

pumice


a light, grayish rock formed by volcanoes

 

magma


melted rock found beneath the Earth’s surface