Good animation and summary of the digestive system by national geographic magazine.

Article on Obesity.
Good photo gallery on the digestive system.

Good animation and summary of the digestive system by national geographic magazine.

Article on Obesity.
Good photo gallery on the digestive system.

Our body burns at a rate of 100 calories per 1.6km. So a standard thanks giving dinner, turkey and all, would mean a 42km walk afterwards to burn it off.
See this for a better picture.

Categories: Nutrition
A series of lectures on human physiology. With good diagrams.
Categories: Homeostasis · Nutrition · Teaching
Interesting photo album from TIME.
Categories: Conservation · Nutrition