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Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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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.

Anterior and Posterior Cervical Triangles Anterior and Posterior Cervical Triangles
Palpation of Lymph Nodes, Anterior Cervical Chain Palpation of Lymph Nodes, Anterior Cervical Chain
Percussion Patterns, Anterior Thorax Percussion Patterns, Anterior Thorax
Anterior and posterior body regions. Anterior and posterior body regions.
Coronary arteries and major vessels (A) anterior (B) posterior. Coronary arteries and major vessels (A) anterior (B) posterior.
Skull Anterior View Skull Anterior View
Video: Electrical changes in the heart

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