Question

insufficient sleep influences the function of the that regulates appetite and the expenditure of energy?
pancreas
lungs
hypothalmus
heart

Explanation:

The hypothalamus is involved in regulating appetite and energy - expenditure. The pancreas is related to blood - sugar regulation mainly, lungs are for gas - exchange, and the heart is for pumping blood. Insufficient sleep affects the hypothalamus's function in these areas.

Answer:

C. HYPOTHALMUS