Tag: Hank Green

Joints: Crash Course A&P #20

Joints: Crash Course A&P #20

I am so glad that you guys are not five years old! If you were all in, like, kindergarten, the only way I could teach you about your skeletal system would be to sing you that stupid song. You know, “The toe bone’s connected to the foot bone, the foot

Hookworms and the Myth of the “Lazy Southerner”

Hookworms and the Myth of the “Lazy Southerner”

Could a parasitic illness be the reason an entire population was thought of as lazy? That may in part be what rampant hookworm infections did to the rural poor in the American South for over a century. I’m Anna Rothschild and this is Gross Science. Human hookworms are nematodes that

The Integumentary System, Part 1 – Skin Deep: Crash Course A&P #6

The Integumentary System, Part 1 – Skin Deep: Crash Course A&P #6

When you hear about your “organs,” you probably think of your heart, or your liver, or your lungs. Maybe you picture Captain Nemo playing the organ aboard the Nautilus. Why do they have an organ on a submarine? That is – that doesn’t make any sense. But your first associations

How to Get Drunk on Bread

How to Get Drunk on Bread

It almost sounds like a Sherlock Holmes case: A 61-year-old man staggers into a Texas emergency room feeling light-headed, nauseous, and dizzy. The nurses think he looks kinda hammered, so they give him a Breathalyzer test, and sure enough, his blood alcohol concentration clocks in at a very drunk .37

Why Can’t I Poop When I Travel?

Why Can’t I Poop When I Travel?

[♪ INTRO] It’s happened to the best of us: You’re in the middle of a long-awaited vacation only to realize… you haven’t pooped in days. And when you do try to go… it’s just not happening. Congratulations: You are experiencing traveler’s constipation. It’s why I don’t go places. It’s the

Blood Vessels, Part 1 – Form and Function: Crash Course A&P #27

Blood Vessels, Part 1 – Form and Function: Crash Course A&P #27

No doubt about it, your heart is a champion. It electrifies itself, it maintains your blood pressure, it keeps your blood moving, and it’s got like a nice shape you can put some chocolates inside of and give to people you like. But the circulatory system is much, much more

The Heart, Part 2 – Heart Throbs: Crash Course A&P #26

The Heart, Part 2 – Heart Throbs: Crash Course A&P #26

You’ve seen this before in a TV show or a movie. A patient is on the table in the emergency room, bleeding from a stab wound or having ODed on drugs, when suddenly, an alarm goes off and the beep beep beep on the heart monitor flatlines. It’s cardiac arrest,

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

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

Your heart, that throbbing, beating muscle, is probably the most iconic organ in your body. No other organ gets its own holiday, or as much radio play. And you’re not likely to get a love note decorated with a kidney or a spleen, or even a brain, which is really