Tissues of living organisms consist primarily of organic compounds; that is, they contain carbon molecules known as proteins, carbohydrates, and fats. A healthy human body is approximately 18% carbon by weight. Determine how many pounds of carbon a body weighing 200 lbs contains. How many kilograms would that be? Use 0.454 kg equals 1 lb in your conversion. a.440 lb. of carbon; 16 kg of carbonb.36 lb. of carbon; 79 kg of carbonc.36 lb. of carbon; 16 kg of carbond.440 lb. of carbon; 79 kg of carbon