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Author Question: Carlos wondered why he did not get called back for the follow-up interview. After telling his friend ... (Read 73 times) |
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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.
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Blood is approximately twice as thick as water because of the cells and other components found in it.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").