your heart speeds up so more blood can reach your muscles. Muscles use oxygen to create the stuff needed for the work in exercise.your heart rate returns to its normal or resting rate fairly quickly
Eggs do not grow, they are produced by other animals. Such as chickens.
The first one A, Nutrition. Nutrition takes in and uses the food to creat nutrient substances to restore energy, grow, to repair itself, and calories.
Answer: Nutrition.
