The blood glucose levels are regulate by the pancreas. When the pancreas do not work it causes diabetes.
Answer:
Nervous impulses sent to muscles generate extra metabolic heat through shivering. Blood vessels that would otherwise transport warm blood from the internal organs to the cold skin, where the blood would lose heat, constrict, constraining most blood, and its heat, to the internal organs.
Explanation:
The answer is DNA polymerases
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