Artery

Introduction:

The main topic of my demo is the arteries, and the difference between a normal artery, and an artery with high cholesterol. An artery is an elastic blood vessel that transports blood away from the heart.The artery wall consist of three layers; they are the tunica adventitia, the tunica media, and the tunica intima. The largest artery of the body is the aorta.The two main types of arteries; is the pulmonary arteries and systemic arteries. Choleterol is a white, waxy, fat-like substance, required by you r body in small amounts for such functions as building cells. However, when there is too much of the wrong kind of cholesterol, deposits (called plaque) can build up on blood vessel walls, causing them to become thicker, harder and less flexible so they are unable to do their job, transporting blood, efficiently. The result is an increased risk for heart attack and other forms of heart disease, such as hardening of the arteries (atherosclerosis). The way to lower cholesterol is a Low-Fat Diet. Choose fish or white meat chicken and turkey (no skin), roasted or baked, and limit fatty cuts of red meat, fried foods, organ meats and processed meats, such as sausage and luncheon meat. Eat lots of fresh fruits and vegetables (except high-fat avocado and coconut), and whole grains, beans, pasta, potatoes and cereals. Use only small amounts of olive, corn or canola oils and avoid butter, mayonnaise, shortening and coconut, palm or palm kernel oils. Use skim/nonfat milk and low-fat/nonfat yogurt and cheeses, and avoid whole milk, cream, ice cream, egg yolks and cheeses.

Scientific principle: you can see the inside of an artery with this 10-times-larger-than-life, see-through artery showing a constricted passage clogged with plaque. Turn the model over and lifelike red blood cells pack tightly around the small opening, just as they would in an artery restricted by atherosclerosis.

Materials: Artery Demonstration Kit

Safety regulation : There is no need safety precaution.