The Heart, Part 1 – Under Pressure: Crash Course A&P #25

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank’s gonna tell you how it really works. The heart’s ventricles, atria, and …


  1. the main reason why most of the teachers don't use crash course videos to explain things is that they know they will definitely get compared with his teaching skills which are why most of us end up getting bad grades but thanks to crash course we get to pass the tests

  2. Why do I hate anatomy phys more than any subject on the face of the planet? I mean how boring can you get with what they choose to focus and test you on. Its the most annoying difficult subject I have ever been involved in.

  3. I do not procrastinate! My class just started this section today. I watch CrashCourse first, get a general overview, then go into more and more detail. CrashCourse is not just for students who didn't study, it is also for people who are studying.

  4. I am trying to study but I keep laughing, not sure if I can do both at the same time LOL "the only way to break a heart is by messing up with its pressure, good luck trying to write a song about that" lolololol

  5. in Egypt education isn't well…the best, so I'm so thankful for crash course. thank you for all the effort and hard work it took for these videos to exist, my grades have improved greatly. πŸ™‚

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