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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

(a) Large buttress roots in a tropical rain forest (a) Large buttress roots in a tropical rain forest
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
The large orb web of Araneus diadematus (European garden spider). The large orb web of Araneus diadematus (European garden spider).
The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo
Industrial and transport sources are responsible for a large proportion of global GHG emission Industrial and transport sources are responsible for a large proportion of global GHG emission
Products like Beano contain enzymes that help reduce the production of gas in the large intestine Products like Beano contain enzymes that help reduce the production of gas in the large intestine
Video: Natural Selection, Species Isolation and Real World Example

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