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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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There are 20 feet of blood vessels in each square inch of human skin.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
snout is just over 100 microns wide snout is just over 100 microns wide
A wide variety of pathogens may live on or in the human body A wide variety of pathogens may live on or in the human body
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
The origin and spread of modern H. sapiens, reconstructed from genetic and fossil evidence. The origin and spread of modern H. sapiens, reconstructed from genetic and fossil evidence.
Video: Frequency of stimulation and force (Recruitment of motor units and force)

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