Alife science student uses a compound microscope to look at a slide of human tissue. he is not sure what part of the body the tissue is from, but makes an educated guess based on the cells he sees on the slide. there are hundreds of round disks with no nucleus, as well as a couple of purple-colored spherical cells. the student would most likely guess that the tissue is of: (a) bone(b) tymus(c) blood(d) muscle(e) lung