Answer:
3: body temperature, fluid balance, blood pH, and oxygen tension within rather narrow limits, while at the same time obtaining nutrition to provide the energy to maintain homeostasis.
4: energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.
5: Forms of energy include mechanical, chemical, electrical, nuclear, thermal, electromagnetic, and sound energy. These forms of energy can occur as either kinetic or potential energy.
6: Batteries and thermal energy
