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Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

The evolution of the globin gene family in humans The evolution of the globin gene family in humans
Male reproductive structures in humans. Male reproductive structures in humans.
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
Other Medelian Traits in Humans Other Medelian Traits in Humans
Like humans, monkeys need interaction to thrive. Those raised in isolation are unable to interact ... Like humans, monkeys need interaction to thrive. Those raised in isolation are unable to interact ...
Independent assortment for two traits in humans follows the same pattern of inheritance as traits in Independent assortment for two traits in humans follows the same pattern of inheritance as traits in
Video: Cardiac conductile cells

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