She’s not going out with the sweat rolling off her back, is she? Her fancy, flashing. The bright air.

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Yawns help cool the brain?

We don’t yawn when we are out in the sun, when our body skin temperature is probably higher than the core temperature. We may inhale higher temperature air and that doesn’t seem to be required to cool the brain. So we don’t yawn?

But does the air we breathe normally reach near the brain or anywhere near it to cool some parts of it? No it is not air that reaches the brain, but cool blood.

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