Answer:
Your skin regulates your body temperature through blood vessels and through the process of sweating. The skin is in effect your body's thermostat. When you're out in cold weather, your skin triggers shivering so the blood vessels will contract and keep you as warm as possible.
Explanation:
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Answer:
I think that the answer would be D
Fats must be broken down into fatty acids before being converted into glucose. Lipids are known as the back up energy source. They are used to make enzymes, hormones, and antibodies.
