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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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The human body produces and destroys 15 million blood cells every second.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine
Parts of a muscle. Parts of a muscle.
Gynecological instruments: uterine dilators. Gynecological instruments: uterine dilators.
The diaphragm: The major muscle of breathing. The diaphragm: The major muscle of breathing.
Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments. Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments.
ATP Production in Cardiac Muscle ATP Production in Cardiac Muscle
Video: Brain Anatomy Animation (Part 2 of 2)

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