The Body
The alimentary canals
TV-G
S1 • E8 Apr 7, 1981 25mThe path from food to waste products is via an ingenious "channel" system in the body. We take in many different substances when we eat, but the body cannot use them all. In order for the cells to choose what they want, the food must be broken down - digested - so that the different substances emerge. We take a closer look at proteins, carbohydrates, fats and water.
