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Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Platelets and the process of blood clot formation. Platelets and the process of blood clot formation.
Strawberry hemangioma, a birthmark caused by a collection of blood vessels in the skin. Strawberry hemangioma, a birthmark caused by a collection of blood vessels in the skin.
Single blood cell Single blood cell
The flow of blood valves of the heart. The flow of blood valves of the heart.
A schematic model of the effects of cholesterol on synthetic membrane structure A schematic model of the effects of cholesterol on synthetic membrane structure
Measuring Blood Pressure Measuring Blood Pressure
Video: Semidiscontinuous DNA replication

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