The body needs a way to get oxygen in and carbon dioxide out, which is through diffusion. When blood returns to your lungs from the body, it has a lot of carbon dioxide and no oxygen. The carbon dioxide concentration is much greater in your blood than the alveoli.
What Will a 10,000 Watt (10 kW) Solar System Cost in Your State in 2017? 10kW solar systems are among the most popular solar energy system sizes in the country, producing enough electricity to power a home with slightly above-average electricity consumption.
The math: ------. Simpler answer: Energy used per day is measured in watt-hours, or more usually kilowatt-hours, and a typical house might use 35 kilowatt-hours per day. That is equal to 1.458 kilowatt-hours per hour, in other words an average power of 1.458 kilowatts.