Which Statement About the Immediate System for Supplying ATP to Muscle

Multiple Choice

Which statement about the immediate system for supplying ATP to muscle cells is true?

A) The immediate system uses the very large amounts of ATP present in muscle cells.
B) The energy available from the immediate system is unlimited and instantly available.
C) The energy available from the immediate system enables slow-twitch fibers to generate a lot of force in a short amount of time.
D) The immediate system uses creatine phosphate as an energy source.
E) The energy available from the immediate system is slowly exhausted.