The spinal column is a long bunch of bones. The head sits on the top, and you sit on the bottom. A city purifies its water supply by filtering the water and then forcing it through an aviator. The inhabitants of Moscow are Mosquitoes. It is so hot in some places that people there have to live in other places.
Mushrooms always grow in damp places, which is why they look like umbrellas.
The four seasons are salt, pepper, mustard and vinegar. The alimentary canal is located in the northern part of Indiana. Thunder is a rich source of loudness. Some people can tell what time it is by looking at the sun, but I never have been able to make out the numbers. In some rocks you can find the fossil footprints of fishes.