Answer: Cardio.
Explanation: Cardio is the exercise type that burns the most calories. Running, for example, is the top exercise of calorie-burn.
Answer:
Digestion works by moving food through the GI tract.
Explanation:
Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.
Body size matter the most because you can always die if you don't care about your body size