Bio Geo Nerd

Here is a handy reference on directional terms used for human anatomy.  I was nice enough to choose the pictures of people with clothes on. ...

No one would argue blood is very important to our bodies!  It carries very important things to all parts of the body we need such as glucose...

It astounds me how much brain development takes place in a fetus before a woman even usually knows she is pregnant.  This is an important ...

Inward rectifying potassium channels.  This is what started all this.  Just a little paranthetical aside in my Neuroscience teacher's no...

Neuroglia are support cells for the neurons in the nervous system.  They have a very wide variety of functions, and I'm sure it hasn...

Great overview Urine Production Video - Osmotic Gradients This is kind of fast, but it shows the counter-current diffusion of wate...

By decreasing pressure inside the thoracic cavity, we are able to inspire air.  By contracting the diaphragm, intercostal muscles, and other...

I was wandering around the Dry Canyon area with my boyfriend and we ran across some awesome stuff.  First off, we found a partial skull, whi...

Blood Pressure is a very important aspect of homeostasis.  So naturally the body has many methods of monitoring and adjusting blood pressure...

This podcast about color is so awesome. Wish I could have the eyes of a mantis shrimp!  We have only 3 types of cones (photorecepto...

. . Here is a pretty good visual to show what gap junctions and desmosomes are.  The heart has both.

Muscle Contraction is a very cool, amazing process. Within the myofi brils, this is what's happening: So urce Here's the expl...

Plastic sand is NOT a sand I would collect except to throw it away.  Look at how we humans are destroying things for all the other living th...

The nervous system is divided into Central Nervous System (brain and spinal cord) and Peripheral Nervous System (nerves , ganglia, etc). H...

Reflex Arcs involve the spinal cord and leave the brain out of the picture, in order for the compensatory action to happen very quickly and ...

Here is a pretty nice video showing action potentials and how they are propogated without decreasing. Another one which shows t...