A, human lungs weigh around 2.2 pounds.
Answer:
During combustion or burning, carbon from fossil fuels combine with oxygen in the air to form carbon dioxide and water vapor. These natural hydrocarbon fuels come from once-living organisms and are made from carbon and hydrogen, which release carbon dioxide and water when they burn.
Body composition is used to describe the percentages of bone, water, fat, and muscle in human bodies.
