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Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

The Pathways of Water and Solutes in a Plant The Pathways of Water and Solutes in a Plant
Membrane potential of a cell permeable to potassium only. Membrane potential of a cell permeable to potassium only.
a) Using a soft pillow rather than a hard bolster under the knees will reduce pressure on the back ... a) Using a soft pillow rather than a hard bolster under the knees will reduce pressure on the back ...
Three factors that influence the distribution of Na+ and K+ ions across the neural membrane. Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
Endangerment sites of the head and face. Use only light to moderate pressure on head and face. Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
Video: Virtual Tour of the Heart

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