· your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Your hearts electrical … · oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava. · your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. · your heart is in the center of your chest, near your lungs. · symptoms of heart disease in the blood vessels coronary artery disease is a common heart condition that affects the major … It has four hollow chambers surrounded by muscle and other …
The Heart Of Mexico The Enduring Power Of Pumas Unam
· your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Your hearts electrical...
