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Blood test facts for kids

Kids Encyclopedia Facts
A venipuncture performed using a vacutainer

A blood test , also known as bloodwork, is a laboratory analysis performed on a blood sample. The sample is usually taken from a vein in the arm using a needle, or via fingerprick. Blood tests are used to determine physiological and biochemical states, such as disease, mineral content, drug effectiveness, and organ function. They are also used to test for certain drugs.

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Kids robot.svg In Spanish: Examen de sangre para niños

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Blood test Facts for Kids. Kiddle Encyclopedia.