Question

Voluntary/ Involuntary striated muscle fibre

Answer 1

voluntary-which is controlled by human being
and which is not controlled is called involuntary muscle e.g heartbeats

Answer 2

voluntary muscles are those muscle fibres whose movement is under our desire
eg. the skeletal muscles

involuntary muscle fibres are those muscle fibres whose movement is not under the control of our will
eg. smooth muscles

the striated muscle fibres are the fibres which have striations ..
eg. skeletal muscle fibres - voluntary
cardiac muscle fibres - involuntary