The muscle that is found in the walls of the heart is characterized by _______:: (A) A peripherally placed nucleus, (B) Multiple nuclei, (C) Intercalated discs, (D) Fibers with spindle-shaped cells
Answer is C. KEY CONCEPT:
Intercalated discs are only found in cardiac muscle. Multiple, peripherally positioned nuclei are found in the ﬁbers of skeletal muscle. Smooth muscle cells are spindle-shaped.