![]() They begin with the aorta, the large artery leaving the heart. There are three main types of blood vessels: ![]() This is necessary to sustain life and promote the health of all parts of the body. In addition to carrying fresh oxygen from the lungs and nutrients to the body's tissues, it also takes the body's waste products, including carbon dioxide, away from the tissues. ![]() The vessels are elastic, muscular tubes that carry blood to every part of the body.īlood is essential. How Does Blood Travel Through the Heart?Īs the heart beats, it pumps blood through a system of blood vessels, called the circulatory system. Your heart is a key part of your cardiovascular system, which also includes all your blood vessels that carry blood from the heart to the body and then back to the heart. This fist-sized powerhouse beats (expands and contracts) 100,000 times per day, pumping five or six quarts of blood each minute, or about 2,000 gallons per day. It pumps oxygen and nutrient-rich blood throughout your body to sustain life.
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