|
Author Question: "Since triangles are geometrical figures and have internal angles, circles must have internal ... (Read 61 times) |
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.