Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
Answer:
Chlorophyll, and photosynthesis.
Explanation:
mr clean
Wrong,you can get calories from carbs,but you can also get calories from things like meats that have no carbs