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.
View as List 14 Keys to a Healthy Diet. Developing healthy eating habits isnât as confusing or as restrictive as many people imagine. The essential steps are to eat mostly foods derived from plantsâvegetables, fruits, whole grains and legumes (beans, peas, lentils)âand limit highly processed foods.