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Author Question: High school was not a universal experience for American children until the 1930s. Indicate ... (Read 49 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.