Pork is an excellent source of protein that can be included in breakfast, lunch, dinner or snacks. The variety of cuts gives pork diversity at meals while contributing to your overall protein intake. Some cuts are lean, and some are fatty, but they all contain high-quality protein and no carbohydrates.

To maintain cardiovascular health, the American College of Sports Medicine recommends getting at least 30 minutes of moderate aerobic exercise on five or more days per week, or at least 20 minutes of vigorous exercise on three or more days per week.

A pulse rate is considered normal if it falls between 60 and 100 beats per minutes when a person is at rest. The Mayo Clinic notes, however, that athletes who are well-trained can have at-rest pulse rates between 40 and 60 beats per minute.

Cardiovascular health entails your heart and the intricate system of blood vessels that carry blood through your body known as the circulatory system. According to the American Heart Association, cardiovascular disease is the top killer in the United States.

When your heart is enlarged or weak, it does not pump blood effectively and can cause a variety of symptoms, such as fatigue, shortness of breath and coughing. Diets high in fat and sodium are associated with poor heart health, and as such a healthy, balanced diet can be key to strengthen heart function.

Exercise plays an essential role in helping maintain healthy muscle tissue, as well as keeping the rest of your body healthy and free of disease.

Cardiac surgery to repair your heart valves or keep your heart beating in perfect rhythm can prove a life-saving effort. Before surgery, your physician may recommend losing weight, particularly if you are obese. This is because those at a healthy weight recover faster and more easily than those who are obese.

Your cardiovascular system is made up of your heart, arteries, veins and capillaries. The heart has four separate chambers--two atria, or upper chambers, and two ventricles, or lower chambers. The right atrium and ventricle accept blood from your body and pump it into your lungs.

Your heart is the center of your cardiovascular system, and it is vitally responsible for just about everything that gives your body life -- ranging from the transportation of oxygen to the success of your immune system.

The main purpose of the cardiovascular system is to transport blood rich in oxygen and nutrients to cells in the body and transport waste products in the blood to the appropriate system for elimination. The cardiovascular system plays many important roles, including the maintenance of body temperature.

Aspirin, or acetylsalicylic acid, is a pain reliever with blood-thinning properties. In certain circumstances, aspirin may lower the risk of heart attack and stroke by improving circulation and preventing blood clots.

A treadmill test, also known as an exercise stress test, an exercise tolerance test, an exercise EKG or an exercise electrocardiogram, is usually requested by your doctor to provide information on how your heart responds to exercise.