12. Match the different types of muscles with their definition.
a.contract rapidly but fatigue quickly as well
b.muscles in the heart
c.muscles that line the organs such as the stomach and bladder which are involuntary
d.richer in blood supply and use oxygen to help release energy
e.voluntary - the only muscles we have control over
1._____slow muscle fibers
2._____skeletal muscles
3._____smooth muscles
4._____cardiac muscles
5._____fast muscle fibers