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.
The Eatwell Guide shows that to have a healthy, balanced diet, people should try to: eat 5 A DAY. base meals on starchy foods like potatoes, bread, rice or pasta. have some dairy or dairy alternatives (such as soya drinks) eat some beans, pulses, fish, eggs, meat and other protein. choose unsaturated oils and spreads and eat in small amounts.