When you smell an oderless gas, it is probably carbon monoxide. 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.
Respiration is composed of two acts, first inspiration, and then expectoration. The moon is a planet just like the earth, only it is even deader. Dew is formed on leaves when the sun shines down on them and makes them perspire. A super saturated solution is one that holds more than it can hold. Mushrooms always grow in damp places and so they look like umbrellas.