Describe these astronomical bodies that exist in our universe: Galaxy: Solar system: Star: Sun: Planet: Moon: Comet:

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

What molecule does hemoglobin decay into over time

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping