The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse...
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One of the coolest and most important things that our bodies do is maintain this thing called homeostasis, the regulation of a stable internal environment, no matter where we are or what we're doing. After all, we put our bodies through a lot every single day: We're always adding food and liquid and chemicals, and we're constantly changing temperature and our levels of activity, but our bodies can roll with it. It's like, no big deal for them. All of our organ systems have some hand in maintaining homeostasis. I mean, it's basically the thing that makes us not dead. But the excretory system, aka the urinary system, which includes the kidneys, the ureters, the bladder, and the urethra, is the star quarterback of the homeostasis team Th...
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One of the coolest and most important things that our bodies do is maintain this thing called homeostasis, the regulation of a stable internal environment, no matter where we are or what we're doing. After all, we put our bodies through a lot every single day: We're always adding food and liquid and chemicals, and we're constantly changing temperature and our levels of activity, but our bodies can roll with it. It's like, no big deal for them. All of our organ systems have some hand in maintaining homeostasis. I mean, it's basically the thing that makes us not dead. But the excretory system, aka the urinary system, which includes the kidneys, the ureters, the bladder, and the urethra, is the star quarterback of the homeostasis team Th...
