PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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Beginning in 35 seconds.

In exchange for these services the grasses offer ruminants a plentiful and exclusive supply of lunch. For cows have evolved the special ability to convert grass - which single-stomached creatures like us can't digest - into high-quality protein. They can do this because they possess what is surely the most highly evolved digestive organ in nature : the rumen.

PTERead Aloud: #166

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