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Why Do Birds Have White And Dark Meat? (And Do We?)

Key Facts In This Video

  1. Birds have dark and light meat because they two main twitches of muscle fibers: slow twitch and fast twitch. 00:06

  2. Slow twitch muscles have mitochondria that is pigmented brown, which is why the dark meat of birds is dark. 01:08

  3. Instead of having brownish muscles and white muscles, humans have pink muscles all the way through—what we call red meat. 02:09