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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

The cladistic approach from molecular genetic data The cladistic approach from molecular genetic data
Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the
Open-Cake Surgery Open-Cake Surgery
Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ... Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...
Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ... Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ...
Video: Glycolysis - Introduction to ATP and the burning of sugar

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