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Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

t the Osaka Aquarium, profile photo of turtle resting on bottom t the Osaka Aquarium, profile photo of turtle resting on bottom
Healed bone fractures can provide clues about activities and fresh fractures can yield information a Healed bone fractures can provide clues about activities and fresh fractures can yield information a
The medical assistant reviews the PDR for information related to a drug. The medical assistant reviews the PDR for information related to a drug.
Organizing Drug Information by Pharmacologic Classification Organizing Drug Information by Pharmacologic Classification
A single cylinder is shown at the top and a four-cylinder engine at the bottom. A single cylinder is shown at the top and a four-cylinder engine at the bottom.
The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ... The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ...
Video: Nucleic acid digestion -small intestine

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