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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Blood is approximately twice as thick as water because of the cells and other components found in it.
If you could remove all of your skin, it would weigh up to 5 pounds.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

