Answer
d.
Work Step by Step
Option a. is incorrect. The thigh would consist of skeletal muscle, which can be long, are striated, and contain many nuclei.
Option b. is incorrect. The stomach contains smooth muscle, which is not striated.
Option c. is incorrect. The blood vessels also contain smooth muscle that is not striated.
Option d. is correct. The heart contains cardiac muscle cells, which are small, striated, and have only one or two nuclei each.
