The correct answer is A: Having a small salad before meals
Mason should (B) increase the speed at which he runs, because he is at practice and is simply told for how long he can run, but not at which pace. He wouldn't make a great impression on his coach if he ran for too long and missed out on important exercises. Thus, it would be better for him to just speed up as that increases his heart rate. Additionally, if he were to decrease either the time or the speed at which he runs he would only lower his heart rate.
The air flows from the nostrils to the nasal passages. The nasal passages are lined with tiny hairlike structures and a sticky substance called mucus. These structures and the mucus filter dust and dirt from the air. In addition, cold air is warmed and moistened as it moves through the nasal passages.
