human body

What a Pain: Lesson Plan

Neurons in the body’s nervous system alert the brain when an injury or other instance of acute pain occurs. But when neurons become overly sensitized, chronic pain can result. Researchers are currently studying ways to calm the neural response and ease chronic pain.

What Makes a Face

Let’s face it, there’s a lot involved in the human face.

It’s a complicated mix of physiology and psychology. The information a human face can relay is almost unending. The human face is debateably the most useful, and possibly the most underestimated, means of communication that people have.

So let’s learn a little more about the face.