An introduction to the amazing functions of the human body's digestive system. An introduction to the amazing functions of the human body's digestive system. Our continued survival as individuals and ...

The last stage of digestion is excretion. When you have bowel movements, you are removing all the material from food that your body couldn't use. Typically, your body has already removed essential ...

The digestive system serves the role of taking in nutrients, eliminating waste, and absorbing and using the nutrients we take in. The digestive system includes all the parts of your body that are ...

It takes about 24 hours for food to make its way through your digestive system. Your body needs food for energy, vitamins and minerals. But food needs to be broken down into a substance your body can ...