Blood, sweat and fears

OMG, summer’s not even here yet, and it’s so hot! I found this tidbit of info on CNN’s website: A pea-sized bead of sweat can cool nearly 1 liter (about 1 quart) of blood 1 degree Fahrenheit.
That can’t be true. The blood on my fangs is pretty warm, and there was a lot of sweat involved in procuring it.

Frog leg massacre

In Egypt and Rome 3000 years ago hair dyes were made from cows’ blood, and from crushed tadpoles in warm oil. How naive is that? They didn’t even bother waiting for the frogs to grow up when they have much more blood.

Vascular system or hollow container

Girl’s bodies contain about 50,000 miles of blood vessels. This goes for boys as well, but none of them go the their brains.