Cardiovascular Fitness Facts

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Presentation transcript:

Cardiovascular Fitness Facts

Vocabulary words Artery – A blood vessel that carries blood from the heart to other parts of the body. Cardiovascular system – The body system that includes the heart, blood vessels, and blood, and functions by moving oxygen and nutrients to body cells and removing cell waste. Cholesterol – A fat like substance found in animal cells and some foods, such as meats, dairy products, and egg yolks

Fibrin – An elongated sticky cell in the blood that helps the blood clot; too much fibrin is implicated in the development of atherosclerosis. Respiratory system – The body system including the lungs and air passages that functions by bringing oxygen into the bloodstream and eliminating carbon dioxide from blood. Vein – A blood vessel that carries blood filled with waste products form the body cells back to the heart.

Heart Because your heart is a muscle, it benefits from exercise and activities such as jogging, swimming, or long distance hiking etc... Your heart acts as a pump to supply blood to your body cells. when you do vigorous physical activity, your muscle cells need more oxygen and they produce more waste.

A person who does regular physical activity might have a resting heart rate of 55 to 60 beats per minute A person who does not exercise regularly might have a resting heart rate of 70 or more beats per minute

Blood Although your body needs a certain amount of fat, excessive amounts trigger formation of fatty deposits along artery walls. Cholesterol, a fatlike substance found in meats, dairy products, and egg yolks, can be dangerous because high levels can build in your body without you noticing. *Teen age girls should not have less than 11 percent or more than 25% body fat. While teenage boys should not have under 6% or over 20% body fat

Benefits Heart - Heart muscle gets stronger. - Pumps more Blood with each beat. - Beats slower. - Gets more rest. - Works more efficiently

- Less bad cholesterol and other fats in the blood Blood vessels - Healthy elastic arteries allow more blood flow. - Less risk of atherosclerosis - Lower blood pressure - Less risk of blood clot leading to heart attacks and strokes - Development of extra blood vessels - Healthy veins with healthy valves Blood - Less bad cholesterol and other fats in the blood - More good cholesterol in the blood - Fewer substances in the blood that cause clots.

Nerves of the heart - Regular exercise helps the nerves slow your heart down. Lungs - Lungs work more efficiently - Deliver more oxygen - healthy lungs allow deeper and less frequent breathing Muscle cells - Use oxygen efficiently - Get rid of more wastes - Use blood sugars and insulin More effectively to produce energy