Even trustworthy health-related websites are subject reviews and assessment by medical professionals. Reviews for these websites are still necessary even if the content doesn't change in order to determine whether the articles are still timely and relevant to the current status of the environment.
your heart muscle needs its own supply of blood because, like the rest of your body, it needs oxygen and other nutrients to stay healthy. for this reason you heart pumps oxygen-rich blood to its own muscle through your coronary arteries.
