You are out to dinner at Outback Steakhouse with a friend. You want to show off your Bio Sci 9B knowledge, so you order a piece of meat that is very easy to chew, dark in color, and is composed of mainly red muscle fibers. What piece of meat did you order?
A. Chicken breast
B. Beef tenderloin (from the lower end of the back of a steer)
C. Pork chops (from the rib and back region of a pig)
D. Chuck steak (from the front shoulder of a steer)