Immune System, Part 3: Crash Course A&P #47
21
October

Immune System, Part 3: Crash Course A&P #47

By Adem Lewis / in , , , , , , , , , , , , , , , /

It is time! We have arrived at the final conflict. The battle royale. A fight to the…well, hopefully not death, but a big fight anyway. It only seems fitting that we spend this, our last episode of anatomy and physiology, talking about one of your body’s last-ditch efforts to defend itself, at all costs. This […]


Immune System, Part 1: Crash Course A&P #45
19
October

Immune System, Part 1: Crash Course A&P #45

By Adem Lewis / in , , , , , , , , , , , , , , , , , /

You may not know it, but your body is engaged in a never-ending battle. You are literally covered in staph and strep and e coli, and all sorts of dubious characters that are intent on using you, and your body’s many resources, to feed themselves, find shelter, and reproduce as much as they want. And, […]


Your Immune System: Natural Born Killer – Crash Course Biology #32
18
October

Your Immune System: Natural Born Killer – Crash Course Biology #32

By Adem Lewis / in , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , /

Sex and not dying. That’s what biology is all about. And while the sex part is, I’ll grant you, a little bit sexier, not dying is also really fantastic… something that I, personally, like to do every single day. I, personally, like to not die in all sorts of ways. Like, I don’t jump out […]


Respiratory System, Part 1: Crash Course A&P #31
29
August

Respiratory System, Part 1: Crash Course A&P #31

By Adem Lewis / in , , , , , , , , , , , , , , , , /

Let me introduce you to one of the bravest pioneers in the history of life on planet Earth. An organism that blazed the trail for every single vertebrate that lives on land today — and many that don’t. It’s one of your most important ancestors. Meet…well, it doesn’t have a name. And we don’t know […]