The human body undergoes numerous changes throughout life, with many significant transitions occurring during the decade of ...

The human digestive system refers to the organs that take in food and break them down. Digestion describes the complex process that enables the nutrients in food to enter the body and its cells.

PBS Nova spoke with physiology experts and competitors to find out what happens to the human body during intense speed eating ...

A continuation of the basic knowledge of human structure and function. The topics treated are cardiovascular system, lymphatic system, respiratory system, endocrine system, digestive system, ...