Blood, Part 1 - True Blood: Crash Course A&P #29
Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including...
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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 drugs that can replace hormones, and antibiotics to cover for your immune system, and pretty soon you’ll be able to just 3D print a new ear if you need one. Really! But one thing we absolutely cannot manufacture -- despite what True Blood would have you believe -- is blood. And yet blood is a thing that we all need. And sometimes, because of injury or illness, we need extra blood. In fact, every two seconds, someone in the U.S. needs a blood transfusion. This could be a v...
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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 drugs that can replace hormones, and antibiotics to cover for your immune system, and pretty soon you’ll be able to just 3D print a new ear if you need one. Really! But one thing we absolutely cannot manufacture -- despite what True Blood would have you believe -- is blood. And yet blood is a thing that we all need. And sometimes, because of injury or illness, we need extra blood. In fact, every two seconds, someone in the U.S. needs a blood transfusion. This could be a v...
