Theo teams up with Hassler to track the escaped Abbie leader, Xander confronts Rebecca about her condition, and Jason learns devastating news about Kerry. Theo and Megan disagree over the Abbiesâ intelligence, as the doctor attempts to communicate with their leader.
Why does heart rate and breathing rate increase during exercise. 1. When you exercise your muscles contract more frequently, which means they use more energy. 2.To replace this energy your body needs to do more aerobic respiration, so it needs to take in more oxygen and breathe out more CO2. 3.hy does heart rate and breathing rate increase during exercise. 1. When you exercise your muscles contract more frequently, which means they use more energy. 2.
Exercising increases the rate of cellular respiration by the muscles, resulting in an increase in the amount of carbon dioxide in the blood, which requires heavy breathing in order to decrease and be exchanged with oxygen.+ 8 others found this useful.xercising increases the rate of cellular respiration by the muscles, resulting in an increase in the amount of carbon dioxide in the blood, which requires heavy breathing in order to decrease and be exchanged with oxygen. + 8 others found this useful.