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Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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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.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Schematic relationship between a phylogenetic tree and taxonomy. Schematic relationship between a phylogenetic tree and taxonomy.
Four main models that describe the relationship between ecosystem function and biodiversity. Four main models that describe the relationship between ecosystem function and biodiversity.
Relationship between winter rainfall and chuckwalla, Sauromalus, size Relationship between winter rainfall and chuckwalla, Sauromalus, size
Relationship between body size and seed size in Galapagos finch species Relationship between body size and seed size in Galapagos finch species
Relationship between the pancreas and the digestive system. Relationship between the pancreas and the digestive system.
Relationship between Latitude and Income per Capita Relationship between Latitude and Income per Capita
Video: Pneumonia Animation

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