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Home Q & A Board Science-Related Homework Help High School Level Science
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DennisO DennisO
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10 years ago
Hi all,

In regards to the integumentary system, I have recently read that the subcutaneous layer of skin contains a "fat-reserve" that acts as a shock-absorbing layer as well as an insulation layer. Much like air, fat is said to trap heat, insulating a person and preserving body heat during the "cold times." My question is, by what mechanism is fat able to perform both of these functions?

Thanks!

- Dennis
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#1
10 years ago
Fat acts like the insulation in your home --- it provides a thick layer of insulation around the subcutaneous blood vessels preventing cold air from reaching them, which would cause a cooling of the blood as it travels through the body.

The thinner individuals in your class complain about the cold before the fatter ones.

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