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Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

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.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

The functioning of the heart valves and blood flow. The functioning of the heart valves and blood flow.
Blood clot. Blood clot.
Formed Elements of Blood Formed Elements of Blood
Representative carbohydrates: Glucose and Maltose Representative carbohydrates: Glucose and Maltose
The MyPlate icon reinforces important concepts of meal planning The MyPlate icon reinforces important concepts of meal planning
The Type of Blood Vessel Injury Often Affects the Nature of the Hemorrhage The Type of Blood Vessel Injury Often Affects the Nature of the Hemorrhage
Video: Gastrulation: cross section of the frog

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