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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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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.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

The process of X inactivation The process of X inactivation
The process of ventilation: inspiration and expiration. The process of ventilation: inspiration and expiration.
The healing process of a bone. The healing process of a bone.
A typical beginning technician tool set that includes the basic tools to get started. A typical beginning technician tool set that includes the basic tools to get started.
All computer systems perform four basic functions: input, processing, storage, and output. All computer systems perform four basic functions: input, processing, storage, and output.
The Bergeron Process The Bergeron Process
Video: Vasectomy

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