What is the countercurrent exchange system and how does it work? - TimesMojo
What is the countercurrent exchange system and how does it …
Jul 7, 2022
timesmojo.com
@eduardluliclips on Instagram: "🦆 When a duck’s beak gets cold or even covered in ice, it can literally thaw itself using its own body heat. Ducks have an incredible built-in system called countercurrent heat exchange — a network of blood vessels that keeps their beaks and feet warm even in freezing weather. Here’s how it works: warm blood from the body flows through arteries into the beak, while cooler blood returns through nearby veins. Because these vessels are close together, heat transfers
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@eduardluliclips on Instagram: "🦆 When a duck’s beak gets cold or e…
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