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Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

A hypothetical scenario illustrating the process of chemical selection A hypothetical scenario illustrating the process of chemical selection
Basidiomycetes produce diverse fruiting bodies. Basidiomycetes produce diverse fruiting bodies.
Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations) Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations)
Female roundworm. Roundworms have long, cylindrical bodies with a tough covering. Eggs laid by the ... Female roundworm. Roundworms have long, cylindrical bodies with a tough covering. Eggs laid by the ...
Basic chemical structure and synthesis of catecholamines. The synthesis of norepinephrine occurs in ... Basic chemical structure and synthesis of catecholamines. The synthesis of norepinephrine occurs in ...
Operations Research Operations Research
Video: Gastrulation: cross section of the frog

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