A Moment of Science
What happens in your body when you're frightened? Find out on this Moment of Science.
Turn up the heat in the body, and many body processes speed up, including the production of white blood cells and how fast they find infectious bacteria and viruses.
Pacemakers are electrical devices that monitor the heart rate and helps get it up to speed when it starts pumping too slowly. The small battery powered disk is inserted just beneath the skin above the heart. A couple of attached wires monitor the heart and carry signals and impulses to and from the heart.
As you may already know, heart disease is one of the leading causes of death in people who are older than sixty-five. What’s more, there’s a growing body of evidence that emotional stress can contribute to cardiovascular disease.
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