Which one of the following statement is incorrect?
(a) Heart muscles are striated and involuntary
(b) The muscles of hands and legs are striated and voluntary
(c) The muscles located in the inner walls of alimentary canal are striated and involuntary
(d) Muscles located in the reproductive tracts are unstriated and involuntary
Prepare a temporary stained striated muscle fibre of cockroach. Based on the observations, answer the following questions. (I) In which kind of muscle fibres do you see light and dark bands-Striated or unstriated? (II) Are these fibres uninucleate or multinucleate? (III) What is the shape of the muscle fibres?