Digestion questions What is digestion? Digestion is an important process in the human body. It helps us get the nutrients our body needs to stay healthy.

This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria.

Digestion varies depending on what we eat. Knowing the average times of 10 common foods helps you plan meals, choose what to ...