Tag: vlogbrothers

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

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

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

Reproductive System, Part 1 – Female Reproductive System: Crash Course A&P #40

Reproductive System, Part 1 – Female Reproductive System: Crash Course A&P #40

Maybe you’ve noticed that every time we talk about a new system, we highlight its importance by saying how you’d die without it. Like, without your muscular and skeletal systems you’d collapse into an inert bag of goo. Or how if we magically removed your respiratory or circulatory system, you’d

Blood, Part 1 – True Blood: Crash Course A&P #29

Blood, Part 1 – True Blood: Crash Course A&P #29

Don’t take this the wrong way, but you’re pretty replaceable. When it comes to your body, science has figured out how to hack, synthesize, or replace a surprising amount of its parts and processes. We have implants to keep heart beats steady, and steel rods to mimic bones. We’ve got

Metabolism & Nutrition, Part 2: Crash Course A&P #37

Metabolism & Nutrition, Part 2: Crash Course A&P #37

Here’s a couple of words you might find useful in the study of human metabolism. They also happen to be two words that I enjoy in general. Brunch. Buffet. I’d throw in “all you can eat,” but that’s kind of implied, and then it would be six words, unless you

Endocrine System, Part 1 – Glands & Hormones: Crash Course A&P #23

Endocrine System, Part 1 – Glands & Hormones: Crash Course A&P #23

I’ve invited you all here today because I wanted to talk to you about some ugly stereotypes that are going around. I’ve been hearing a lot of unfair, unseemly, and unscientific generalizations being made lately. And they mostly have to do with sex. And your hormones. People have a nasty