Milk Is Just Filtered Blood

Female mammals make milk, a cocktail of filtered blood, to provide their babies with vital nutrients.

LEARN MORE
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To learn more about this topic, start your googling with these keywords:
- Mammal: Endothermic vertebrates that nurse their young.
- Lactation: The secretion of milk by the mammary glands.
- Mammary Gland: A cluster of alveoli and ducts that secretes milk.
- Mammary Alveoli: The tiny sacs that are the site of milk production and storage in the mammary gland.
- Oxytocin: A hormone released by the pituitary gland that - among other things - causes the milk ejection reflex during nursing.
- Holstein: A large black and white cow known for the large quantities of milk it yields.

CREDITS
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With Contributions From: Henry Reich, Alex Reich, Kate Yoshida, Ever Salazar, Peter Reich

Photo of Aftershock by: Selz Pralle Dairy

MinuteEarth is produced by Neptune Studios LLC

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[MinuteEarth]

Hi there - we appreciate that the “just filtered” part of our title has drawn a few comments and we want to address it. First off - you’re right; you could say lots of things are filtered blood products, including urine and even the carbon dioxide we breathe out. We decided to make this video because we believe most people, including ourselves, don’t think about how the same thing is true for a substance a lot of us drink every day - milk from an animal - and that communicating that fact would lead folks to a different appreciation of what milk is. Secondly - you’re also right; we didn’t fully convey the amazing things that the mammary gland does. Almost all of the precursors to the stuff in milk DO come from the bloodstream, but the special cells in the mammary gland transform many of them into their final milky forms, which we simplified in the video as “do some chemistry on them” and in the title as “filtered.”

[federicopettinicchio]

Vegetables and fruits are just filtered dirt at this point.

[fakjbf]

Technically everything in an animal's body is filtered blood, the nutrients your cells use to grow and divide are carried in the blood stream.

[ITBEurgava]

0:19 gotta be some of the cutest newborn animal drawings for a while...

[doodle_freak]

I was drinking milk when I read the title and almost choked in confusion

[cup_check_official]

Milk Is Just Filtered Blood






Blood is just unfiltered milk?

[ElectricFortune]

I think calling it "filtered" blood is a tad misleading, perhaps "altered" blood would be more fitting, as the Mammary Glands are doing more than just letting certain nutrients from blood pass through them.

[alvaronavarro]

Vampires Be like: *My life's been a Lie?*

[Cdile]

Doctor: quick our patient is losing many milk

[harpinedoodles]

*eats cereal while watching this... looks down into bowl*

[abdelrahmanfadel]

Then using the same concept, your urine and sweat are also filtered blood

[froylai]

*Gets a Nestle Milk Ad before the Video starts*

[Mewkityy]

Can I say I have blood for breakfast now?

[mattiabortolotto]

The title is as misleading as saying that a chair is just a dead star (chairs aren't composed only of hydrogen and helium, thus the atoms which make up chairs are the result of nuclear fusion and got released once the star died by expelling its outer shells)

[DorthLous]

"Do chemistry on them" => Not strained blood anymore...

[angelwashere]

Okay everyone! Who wants some chocolate chip cookies!...

*to go with your blood...*

[AlexS-ojqf]

Well, technically it's not a blood. It's something extracted from the blood.

[noisy_]

Piss is also filtered blood
Saliva is also filtered blood
Sweat is also filtered blood

If you think of it, every fluid we produce (maybe) is filtered blood lmao

[wklees]

**looks at milk that is drinking** “What did you say?”

[blupyxi]

isn't that any fluid in the body?