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Did you know?

The average adult has about 21 square feet of skin.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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

Structure of a eukaryotic flagellum Structure of a eukaryotic flagellum
The structure and function of the GABA-A receptor. The structure and function of the GABA-A receptor.
Cell Structure Cell Structure
The structure of liquid water The structure of liquid water
Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back
Structure of a chromosome Structure of a chromosome
Video: Acid-base imbalances - metabolic acidosis and alkalosis

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