There are three types of blood vessel: arteries, veins and capillaries. The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all ...
Although the heart is full of blood, it cannot receive oxygen and nutrients from the blood inside the chambers. The heart muscle must rely on the arteries on the surface of the heart to nourish it and ...
In this video, learn how blood moves around the body through the heart, arteries and more. Come along children, we’ve come to the hospital to learn how blood is moved around the body in the ...
Exercising four to five times a week is necessary to stop the main arteries to the heart from stiffening up, research suggests. Two or three exercise sessions a week kept only some arteries ...
Your heart beats about 100,000 times in one day ... The pulse you feel is blood stopping and starting as it moves through your arteries. As a kid, your resting pulse might range from 90 to 120 ...
Most heart attacks are the end result of coronary heart disease, a condition that clogs coronary arteries with fatty, calcified plaques. Irregular heart rhythm -- arrhythmia -- is when your heart ...