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The Body > The Cardiovascular System > The Blood Vessels

The Blood Vessels

An arteriole In a general sense, a vessel is defined as a hollow utensil for carrying something: a cup, a bucket, a tube. Blood vessels, then, are hollow utensils for carrying blood. Located throughout your body, your blood vessels are hollow tubes that circulate your blood. There are three varieties of blood vessels: arteries, veins, and capillaries. We discuss them.



Articles:

Blood Pressure & Pulse

submitted by Dr. Gary Farr 6/3/2002
There are two important vital statistics that doctors use to assess the immediate health of your heart: blood pressure and pulse. These "numbers" fluctuate as your heart's condition changes.

Nutritional Support for Cardiovascular Health

submitted by Dr. Gary Farr 6/21/2002
There is one very important nutritional factor concerning the heart and nutrition. The heart is a muscle that never stops working. We discuss which supplements you should take if you have heart disease or, if you want to keep your heart healthy.

The Arteries

submitted by Dr. Gary Farr 5/28/2002
The heart pumps blood out through one main artery called the dorsal aorta. The main artery then divides and branches out into many smaller arteries so that each region of your body has its own system of arteries supplying it with fresh, oxygen-rich blood. Learn about the arteries.

The Capillaries

submitted by Dr. Gary Farr 5/28/2002
Unlike the arteries and veins, capillaries are very thin and fragile. The capillaries are actually only one epithelial cell thick. They are so thin that blood cells can only pass through them in single file. The exchange of oxygen and carbon dioxide takes place through the thin capillary wall.

The Veins

submitted by Dr. Gary Farr 5/28/2002
Veins are similar to arteries but, because they transport blood at a lower pressure, they are not as strong as arteries. Like arteries, veins have three layers: an outer layer of tissue, muscle in the middle, and a smooth inner layer of epithelial cells. However, the layers are thinner, containing less tissue.

What Are Blood Vessels?

submitted by Dr. Gary Farr 5/28/2002
In a general sense, a vessel is defined as a hollow utensil for carrying something: a cup, a bucket, a tube. Blood vessels, then, are hollow utensils for carrying blood. Located throughout your body, your blood vessels are hollow tubes that circulate your blood. There are three varieties of blood vessels: arteries, veins, and capillaries.

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