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Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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The longest a person has survived after a heart transplant is 24 years.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Chromosome territories in the cell nucleus Chromosome territories in the cell nucleus
The T-cell receptor and antigen presentations. The T-cell receptor and antigen presentations.
Plant Cell Plant Cell
Cell-mediated immunity, primary and secondary response. Cell-mediated immunity, primary and secondary response.
Imaging cell surface glycoproteins in living cells Imaging cell surface glycoproteins in living cells
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell
Video: Covalent bonds - role in the body

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