Which of the following is NOT true of mechanical digestion? Muscular contraction in the stomach mix food
The teeth and tongue break food into smaller pieces
It starts in the mouth
Enzymes break down food

Two shoppers bought meat at the supermarket deli. the first shopper bought 3 pounds of meat for $9,87 . the second bought 4 pounds of meat for $16,76. can you tell if both shoppers bought the same kind of meat.