Run the Gizmo: Click Play (), and observe the food moving through the digestive system. The muscular
contractions that push food through the system are called peristalsis. When food has finished passing
through the system, you will see a message.
A.
B.
C.
What percentage of Calories were absorbed by your system?
What percentage of water was absorbed?
Based on these results, how well do you think this digestive system worked?
Explain.