Breathing rate goes up Heart rate goes up Muscles start contracting and and relaxing More glucose is used Because heart pumps blood at a quicker pace, more calories are burned
1. Breathing rate increases to ensure more air inside the lungs and so more oxygen 2. Heart rate increases to ensure more blood is available to all working muscles and other tissues; this helps in getting more oxygen and more nutrients for energy.
Heart rate goes up
Muscles start contracting and and relaxing
More glucose is used
Because heart pumps blood at a quicker pace, more calories are burned
2. Heart rate increases to ensure more blood is available to all working muscles and other tissues; this helps in getting more oxygen and more nutrients for energy.
2. The aerobic respiration takes over
3. You need more oxygen
-Breathing rate increases
-Produces Lactic Acid
-Shortage of Breath
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