1 The right side of the heart receives oxygen-poor blood from body tissues and pumps it to the lungs where it picks up oxygen and gets rid of carbon dioxide. 2  The blood vessels that carry blood to and from the lungs form the pulmonary circuit.
According to the Dietary Guidelines for Americans 2015-2020, a healthy eating plan: 1  Emphasizes fruits, vegetables, whole grains, and fat-free or low-fat milk and milk products. 2  Includes lean meats, poultry, fish, beans, eggs, and nuts. 3  Is low in saturated fats, trans fats, cholesterol, salt (sodium), and added sugars.
A nutritious, well-balanced diet â along with physical activity and refraining from smoking â is the foundation of good health. Healthy eating includes consuming high-quality proteins, carbohydrates, heart-healthy fats, vitamins, minerals and water in the foods you take in while minimizing processed foods, saturated fats and alcohol. Eating in this manner helps you maintain your bodyâs everyday functions, promotes optimal body weight and can assist in disease prevention.