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.
Your heart rate will also increase in order to pump your blood and properly ventilate your muscles. Holding your breath while exercising will mean that you cannot wash out the CO2 in your blood, and the urge to breathe will quickly become strong. your heart will try to work even harder at pumping O2 to your muscles, and so your heart rate will go up.