Write the word equation for aerobic respiration
The heart rate decreases during exercise to deliver more oxygen to muscles.
Lactic acid is produced in aerobic respiration.
Anaerobic respiration produces more energy than aerobic respiration.
Breathing rate decreases during exercise.
Oxygen debt must be repaid after anaerobic respiration.
Describe how heart rate change during exercise.
Explain why the breathing rate increases.
After sprinting, a student is breathing heavily and their muscles feel sore. Explain why they are breathing heavily.
After sprinting, a student is breathing heavily and their muscles feel sore. What causes the muscle soreness?