Each individual body system works in conjunction with other body systems. Each of your body systems relies on the others to work well. All living organisms are made of cells.. organisms to stimuli from their environment and actively maintain their internal environment through homeostasis. They grow and reproduce, transferring their genetic information to their offspring.
Net energy is the total amount of energy your home imported from or exported to the utility grid. Net energy is calculated by subtracting the energy produced by your solar energy system from the energy consumed by your home.