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Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Summation of Heart Sounds, S4 Summation of Heart Sounds, S4
Color enhanced X-ray showing a pacemaker implanted in the left side of the chest and the electrode w Color enhanced X-ray showing a pacemaker implanted in the left side of the chest and the electrode w
Normal conduction pathway in the heart Normal conduction pathway in the heart
The valves of the heart. The valves of the heart.
Examples of heart rhythms: ventricular tachycardia. Examples of heart rhythms: ventricular tachycardia.
solve for θ to the nearest degree solve for θ to the nearest degree
Video: Introduction to Herpes

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