Answer:
false true and false is the answer hope u understand
increased metabolic rate and heart rate
<span>Once you make a career choice, it should never be changed.
-false.
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Answer: Shivering helps raise body temperature.
Explanation: Shivering - nerve impulses are sent by the hypothalamus to the skeletal muscles to bring about rapid contractions that generate heat. Shivering therefore helps raise the body temperature. Increase in metabolic rate - the liver produces extra heat in order to raise the temperature of the body
