I’m sure you’ve heard of Isaac Newton and maybe of some of his laws. Like, that thing about “equal and opposite reactions” and such. But what do his laws mean? And how... Read more »
Now that we’ve started talking about identity, today Hank tackles the question of personhood. Philosophers have tried to assess what constitutes personhood with a variety of different criteria, including genetic, cognitive, social,... Read more »
After weeks of discussion of human reproduction, today we arrive at the main event: THE SEX. Hank explains the four phases of the human sexual response, how fertilization happens, and how different... Read more »
THE FINAL SHOWDOWN! This is the last episode on the immune system and also the very last episode of Crash Course Anatomy & Physiology. In it, Hank explains how the cellular immune... Read more »
Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat,... Read more »
Slavery was inherently cruel and unjust, and it was cruel and unjust to different people in different ways. Today, Clint Smith teaches you about the experience of enslaved women, and how their... Read more »
Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles. Table of Contents: Nitrogen Cycle... Read more »
In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. Pssst… we made flashcards to help you review the content in this episode!... Read more »
What do you and a sack of batteries have in common? Today, Hank explains. Pssst… we made flashcards to help you review the content in this episode! Find them on the free... Read more »
Even though you probably don’t choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we’re talking about the anatomy of your urinary... Read more »