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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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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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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Tight junctions between adjacent intestinal cells Tight junctions between adjacent intestinal cells
Growth of yeast cells in culture fits the logistic growth model. Growth of yeast cells in culture fits the logistic growth model.
Connective tissue cells Connective tissue cells
Various types of cells within the human body. Various types of cells within the human body.
Surfaces of Epithelial Cells and the Basement Membrane Surfaces of Epithelial Cells and the Basement Membrane
Video: Four Giant Convection Cells oF Earth

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