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There are 60,000 miles of blood vessels in every adult human.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.
The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
![Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_18_9451500.jpeg)
![Hiatal hernia. (a) The hernia occurs when the stomach protrudes through the diaphragm and into the t](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_53_96861610.jpeg)