H2O is hot water, and CO2 is cold water.

To collect fumes of sulfur, hold a deacon over a flame in a test tube.
When you smell an odorless 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.