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Did you know?

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.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Your heart beats over 36 million times a year.

Rice lines Rice lines
Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr
Liquid helium Liquid helium
Display is the only position to view the firing lines of all cylinders. Cylinder 1 is displayed on ... Display is the only position to view the firing lines of all cylinders. Cylinder 1 is displayed on ...
Heart covering and layer of the heart. Heart covering and layer of the heart.
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
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