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Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.

It goes on some of our favorite foods, and it can even make our least favorite foods taste better. Yes, we're talking about melted cheese.

Learn how we digestive enzymes such as amylase, proteases and lipases to break down carbohydrates, proteins and lipids. We also cover where the enzymes are made and what they break each food group down to.

This brief video tutorial discusses the digestive system (GI tract): 0:00​​. Introduction 0:18. Digestive organs - 0:24. Oral cavity. Teeth, salivary glands - 2:18. Esophagus - 3:50. Layers of the GI tract. Mucosa, submucosa, muscularis...

In this lecture, I first deal with the functions of the digestive system. We then take a journey through the digestive system by following your food from your mouth all the way through your body and even through the elimination of...

Explain the process of digestion of each food component. Describe how and where various components of food are absorbed.

In this video, we discuss the functions of the oral cavity and its accessory organs (teeth, tongue, salivary glands).