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Author Question: The individual who met with U.S. officials, formed the Republican (Insurgent) Army of the North, and ... (Read 33 times) |
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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.