Because we have a digestive system! …a series of organs that break food down in a useful way for the body. And it gets rid of all the body's waste as well! Without digestion, the food we eat ...

These two systems—the digestive and reproductive—are entirely separate. There’s no pathway that allows sperm to travel from ...

Bile acids help the digestive system break down fats into forms the body can take up and use. "But it has now become clear ...