In addition, a 17 monitor uses another 80 watts. That comes to 150 watts in an hour, or .15 kWh. If you have the same computer on for only 4 minutes (say, to check your e-mail), that would come to .01 kWh.
A Dr. Mehmet Oz, MD , Cardiology (Cardiovascular Disease), answered. The heart gets its own supply of blood from the coronary arteries. The two main coronary arteries (right and left) and their branches supply blood throughout the heart muscle. This animation explains how these arteries transport blood.
Coronary Blood Flow. Just like other organs or muscles of the body, the heart muscle needs oxygen and nutrients to live and function properly. The heart does not get its oxygen and other nutrients from the blood flowing inside it. The heart gets oxygen and nutrients from blood flowing through coronary arteries located within the heart muscle itself.