Human Digestive System pt 3

Human Digestive System pt 3

Metabolism and Nutrition are the topic of this clever informational video narrated by Hank Green at Crash Course.

Human Digestive System pt 2

Human Digestive System pt 2

Metabolism and Nutrition are the topic of this clever informational video narrated by Hank Green at Crash Course.

Human Digestive System pt 1

Human Digestive System pt 1

Metabolism and Nutrition are the topic of this clever informational video narrated by Hank Green at Crash Course.