Leif Saul hangs out with a neuron

The versatile pharynx
Here’s a body part you’ve probably never seen in isolation — and almost certainly not ...
How a long bone grows longer
The process by which your bones lengthen (during childhood and adolescence) is known as ...
The blind spot in the human eye
Normally, the blind spot goes unnoticed, for two reasons.  First, each eye fills in the gap in ...
There’s a vas deferens between your epididymis and your ejaculatory duct
You’ve almost made it through a semester of anatomy.  Like a sperm cell, you sometimes feel like ...