H20 is hot water, and C02 is cold water. To collect fumes of sulphur, hold down a deacon over a flame in a test tube. When you smell an odorless gas, it is probably carbon monoxide. Nitrogen is not found in Ireland because it is not found in a free state. 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.