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Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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.

Water-conducting cells of the xylem. Water-conducting cells of the xylem.
Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Looking at Cells Looking at Cells
Margination, diapedesis, and chemotaxis of white blood cells Margination, diapedesis, and chemotaxis of white blood cells
Primary Action of Epinephrine in a Liver Cell Primary Action of Epinephrine in a Liver Cell
A generalized animal cell A generalized animal cell
Video: Molecules, Membrane Permeability and Structure

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