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Author Question: By secreting the hormone _____, the male embryo stimulates the development of the internal male ... (Read 98 times) |
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The familiar sounds of your heart are made by the heart's valves as they open and close.