Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: Figure 40.13 Cardiomyocytes are striated muscle cells found in cardiac tissue. (credit: modification of work by Dr. Girod, Anton Becker; scale-bar data from Matt Russell). Answer: in cardiac tissue
A:
Cardiomyocytes are striated muscle cells found where?