Why do we sneeze when we look at the sun? What causes the red-eye effect in photos? This segment explores peculiar involuntary responses of the human body, offering scientific explanations for these common yet often misunderstood...

In this live-action program viewers will learn that your mouth engages in a complex series of events at the beginning of the digestion process. Students will come to understand digestion starts with mastication; the process chews or...

Students will learn the three main types of neurons and how they travel through the body's nerve network. Diagrams explain how information is received using our sensory organs and then processed by the central and peripheral nervous...

This video serves as an educational lesson on the peripheral nervous system (PNS). It covers the structure of the PNS, including its major subdivisions - sensory neurons and motor neurons.