Lesiones rápidamente mortales en trauma de tórax ¿Cuáles son ?
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A cow out on grass is just an incredible thing to behold... Cows and other ruminants can do things we just can't do. They have the most highly evolved digestive organ on the planet, called the rumen. And the rumen can digest grass. It takes grass, cellulose in grass, and turns it into protein, very nutritious protein. We can't do that.