D = MOVE THE WEIGHT AT A MODERATE TO SLOW SPEED
Answer:
What you eat is closely linked to your health. Balanced nutrition has many benefits. By making healthier food choices, you can prevent or treat some conditions. These include heart disease, stroke, and diabetes. A healthy diet can help you lose weight and lower your cholesterol, as well. Exercise can help prevent heart disease, stroke, diabetes, and colon cancer. It can help treat depression, osteoporosis, and high blood pressure. People who exercise also get injured less often. Routine exercise can make you feel better and keep your weight under control. Try to be active for 30 to 60 minutes about 5 times a week. Remember, any amount of exercise is better than none. Smoking and tobacco use are harmful habits. They can cause heart disease and mouth, throat, or lung cancer. They also are leading factors of emphysema and chronic obstructive pulmonary disease (COPD). The sooner you quit, the better.
Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision.
