16. The blood is composed of the red blood cell (RBC), white blood cell (WBC) and the platelets. Which of the following best describes the red blood cell? I. It carries oxygen throughout the body a. I, II and III only It is one of the few types of cells without a nucleus b. I, II and IV only III. They get their red color from hemoglobin c. I, III and IV only IV. They protect us from diseases II. d IV​