Question 12: based on the answer to question 11, what can the reader conclude about fat? question 12 options: a.) fat is responsible for moving food through the body. b.) fat is mostly affected by mechanical digestion. c.) fat contains important nutrients. d.) fat is harder to digest than other types of food.

A. is wrong. The digestive system moves food through the body. Not fat. 
B. This is true. Proper fat digestion requires that the gastrointestinal tract and the accessory organs -- the liver, gallbladder and pancreas -- work together in perfect harmony.
C. Fat is an essential nutrient but it doesn't contain essential nutrients. 
D. Not true.