Uzupełnij luki 1–6, przekształcając wyrazy podane w nawiasach, tak aby otrzymać logiczny, spójny i poprawny gramatycznie tekst.
Calories are a 1,,,,,,, (MEASURE) tool, like grams or centimetres. We use them to measure the energy in the food that we eat. We are constantly burning calories, even during sleep, although the rate at which calories are burned falls 2 ,,,,,,,,,,,,,,,,,,(DRAMA) while at rest. The foods with the most calories are fats, for example butter and olive oil. Proteins, like meat and fish, and carbohydrates, like rice and pasta, have a moderate calorie 3,,,,,,,,,,,,,,,,,,(CONTAIN). Low-calorie foods include lettuce, cucumber and tomatoes, and most other vegetables.
Everybody needs calories in their diet, but the number required depends on a person's age, weight, height, and 4 ......................(DAY) physical activity. These things affect our metabolic rate – how quickly our body uses energy. The metabolic rate is highest during the periods of rapid 5 ...................... ( GROW). As we get older, the amount of muscle decreases and metabolism slows even up to 5% per decade after age 40. It is due to a greater percentage of body fat and a 6 .........................(LOSE) of lean body mass.