Since you have the luxuryLuxury? Yes, a luxury because, on a lab practicum, your instructor will expect you to figure out the primary tissue type on your own.
of already knowing this is muscle tissue, give your attention to the alternating dark and light bands (c) that run the length of these remarkably long cells that display multiple dark-stained structures (a, for example) along the cell membrane (b).
Once you have classified the tissue, you should be able to identify the cell type that comprises this tissue.