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Author Question: Educational games and simulations develop students' talents as problem solvers and critical thinkers ... (Read 59 times) |
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Your heart beats over 36 million times a year.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.