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Low levels of subcutaneous fat spread across the body, it tends to be in specific areas
longer limbs causing higher surface area to lose heat through
low levels of brown fat specialised to generate heat
less muscle that through twitch can generate heat,
less body hair
short wide noses that don't provide air moistening and heating unlike longer bigger noses, think Saiga antelope
larger lips and pronounced faces that prevent high surface areas for chapping and make protecting the face from cold harder