Milk Is Just Filtered Blood
Join Honey for FREE at: https://www.joinhoney.com/MinuteEarth. Special thanks to Honey for sponsoring this episode. Female mammals make milk, a cocktail of filtered blood, to provide their...
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Hi, this is Emily from MinuteEarth. Supermarkets have lots of milks to choose from these days, many of which are the product of blending up and straining various nuts and seeds. Plain old milk milk, on the other hand, is also a strained product - it’s filtered cow blood. As weird as this seems, all mammal milk is, in fact, made from blood, because blood contains lots of nutrients, and baby mammals need lots of sugar, fat, and protein to grow complex brains and bodies. But mammal mammas can’t just open an artery; that would be dangerous. Plus, most of the useful nutrients in blood are too dilute and blood has too much iron for most babies to process. This is where the mammary gland comes in: It’s full of thousands of tiny sacs whose walls have special...
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Hi, this is Emily from MinuteEarth. Supermarkets have lots of milks to choose from these days, many of which are the product of blending up and straining various nuts and seeds. Plain old milk milk, on the other hand, is also a strained product - it’s filtered cow blood. As weird as this seems, all mammal milk is, in fact, made from blood, because blood contains lots of nutrients, and baby mammals need lots of sugar, fat, and protein to grow complex brains and bodies. But mammal mammas can’t just open an artery; that would be dangerous. Plus, most of the useful nutrients in blood are too dilute and blood has too much iron for most babies to process. This is where the mammary gland comes in: It’s full of thousands of tiny sacs whose walls have special...
