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Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and
Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Kidney transplantation. Kidney transplantation.
Kidney-Leaf Buttercup Kidney-Leaf Buttercup
Detection of Hypovolemia by the Kidney and the Renin–Angiotensin System Detection of Hypovolemia by the Kidney and the Renin–Angiotensin System
Video: Acid-base imbalances - metabolic acidosis and alkalosis

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