Here are the key points from the review:
- Breathing rate increases during exercise to supply more oxygen to working muscles and remove more carbon dioxide from working muscles.
- Heart rate increases during exercise to pump more blood to deliver oxygen and nutrients to working muscles and remove waste products like carbon dioxide.
- Yes, the amount of cell respiration increases during exercise because working muscles require more ATP to power muscle contractions, so cells must undergo respiration at a higher rate to produce more ATP.