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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Cyanide works by making the human body unable to use oxygen.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

A harbour porpoise at an aquarium. In the wild, porpoises rarely jump out of the water. A harbour porpoise at an aquarium. In the wild, porpoises rarely jump out of the water.
The aquaporin water channel The aquaporin water channel
Predators adapt to extreme water pressure and the absence of light Predators adapt to extreme water pressure and the absence of light
Water as Part of Body Fluids Water as Part of Body Fluids
Fortified foods can give your diet a vitamin boost Fortified foods can give your diet a vitamin boost
A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ... A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ...
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

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