Kate Ellis, a former English professor who taught at Rutgers University in New Brunswick, New Jersey, for more than 40 years, says she started teaching as a way to have a positive impact on others. In ...

This short film focuses on the role of nervous system, how it functions, voluntary and involuntary reflexes and the function of specific organs in the nervous system, such as the brain and the eye.

This video explains how mechanical and chemical digestion break food down and how the small intestine’s adaptations increase surface area to speed up absorption into the bloodstream.

Sameena Zahoor, MD, is board-certified in family medicine and works at the Hope Clinic, which provides free primary medical care to uninsured and under-insured patients, as a physician. The appendix ...