Anyone who’s frequently around kids knows that they throw up a lot, and at seemingly weird times. But there are some interesting biological reasons why that might be!

Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body.

Your nervous system is why you can see this video, scratch your neck, feel hungry and ask yourself, Who am I? The human nervous system is a fascinating system with 86 billion neurons and about the same number of glial cells. The main...

Your nervous system is why you can see this video, scratch your neck, feel hungry and ask yourself, “Who am I?” The human nervous system is a fascinating system with 86 billion neurons and about the same number of glial cells. The main...

Group of neurons organised and located outside the central nervous system.