penguins

[animalover]

why doesnt a penguins blood freeze in such cold climates

[LazyGun]

Basically, because their metabolism is designed to keep a warm core temperature and they have the most amazing insulation!

Take a look at this site for a more detailed explanation;
http://www.coolantarctica.com/Antarctica%20fac t%20file/science/cold_penguins.htm

[gen2]

I always used to wear two pairs of socks and never suffered from frostbite.

[naz_nomad]

Because theyr'e not full of blood, silly ... everyone knows they have a chocolate centre.