Tag: mechanical digestion

Introduction to the Digestive System – 10.4 – Biol 189

Introduction to the Digestive System – 10.4 – Biol 189

Have you ever wondered why we eat? We eat because we need a source of energy and because our body needs building materials. The digestive system is the system which is responsible for supplying an animal’s body with this energy and with these building materials. We need energy to recharge

Tour of the Human Digestive System (Part 2) – 10.6 – Biol 189

Tour of the Human Digestive System (Part 2) – 10.6 – Biol 189

In the rest of our tour on the digestive system we’ll talk about the organs that have the greatest amount of misinformation out there about them. So we’ll talk about some common misconceptions about the digestive system. So, the next organ on our tour is the stomach. The stomach can

Tour of the Human Digestive System (Part 1) – 10.5 – Biol 189

In this video, we’re going to learn about animal diets and digestive compartments and then move on with the tour of the human digestive system. So we have learned about the four stages of food processing, now let’s talk about the different animal diets. Animals are heterotrophs or “other feeders”.