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Author Question: Of the following U.S. presidents, which was the only political scientist and international relations ... (Read 100 times) |
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.