When you do not breathe, you expire. H2O is hot water and CO2 is cold water. To collect fumes of sulphur, hold a deacon over a flame in a test tube. When you smell an oderless gas, it is probably carbon monoxide. Nitrogen is not found in Ireland because it is not found in a free state.
Water is composed of two gins.
Oxygin and Hydrogin. Oxygin is pure gin. Hydrogin is gin and water. Three kinds of blood vessels are arteries, vanes and caterpillars. Blood flows down one leg and up the other.