Why Does Breathing Rate Increase during Exercise?

Answer

Breathing rate increases during exercise because your body has a higher demand for oxygen. Oxygen is needed to burn calories and so your lungs have to work harder. Your lungs, heart, and muscles all work together to ensure you are getting enough oxygen for your exercise.
Q&A Related to "Why Does Breathing Rate Increase during Exercise"
because our muscles need more oxygen in order to carry out respiration and burn energy. When you breathe, you inhale oxygen into the air sacks in your lungs called alveoli. Then it
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Anyone who has sprinted up a flight of stairs knows that your breathing becomes quicker and harder when you exercise. Why? As you exercise, your heart rate increases because your
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Your breathing increases during exercise because your working muscles need extra oxygen in order to burn energy. You pull oxygen into your lungs, and it is transferred to the bloodstream
http://www.livestrong.com/tai-chi-pilates/
Simple: the muscles need more O2 under exercise induced stress. That means you breathe faster to increase O2/CO2 exchange in your lungs, & your heart beats faster to deliver blood
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