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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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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ... The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ...
Some of the pathways of the auditory system that lead from one ear to the cortex. Some of the pathways of the auditory system that lead from one ear to the cortex.
Plasma insulin binds to receptors on target cells to enter the cells, which starts actions that lead ... Plasma insulin binds to receptors on target cells to enter the cells, which starts actions that lead ...
Good contact feels full, confident, and deliberate and establishes a warm connection between massage ... Good contact feels full, confident, and deliberate and establishes a warm connection between massage ...
Energy imbalance establishes a temperature gradient between the tropics and the poles Energy imbalance establishes a temperature gradient between the tropics and the poles
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

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