bone open are a whole of chicken & muscle cells can store and release large amounts of energy ->  parts of muscles can store and release large amounts of energy  a bone is a part of a body & rusting pulling / releasing telescopes to stay the land -> muscles move parts of the body muscles move parts of the body  moving changes stored energy into kinetic energy and heat energy & if a home balance something into something else, then that something is required for that 0 -> an animal requires energy to move an animal requires energy to move  walls stay echo of the mind & an animal requires energy to move -> muscles moving parts of the body requires energy muscles moving parts of the body requires energy  parts of muscles can store and release large amounts of energy & engines moving pumice of the mind requires matter -> releasing energy is used by muscles to move parts of the body