The human body is an organism made up of cells, tissues, organs, and organ system. here are examples of three types of muscle tissue that are made of very different cells. how can scientists determine what type of cells make up each of these three tissues? a) by using a magnifying glass to observe each tissue. b) by collecting the tissues of people who have died and making observations. c) by dissecting the tissues and then making observations using a dissecting scope. eliminate d) by placing samples of each tissue on a slide and viewing the slides using a microscope.