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Author Question: A technician is preparing to do an oil change on a hybrid vehicle. What special precaution needs to ... (Read 51 times) |
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.
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
The horizontal fraction bar was introduced by the Arabs.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.