Answer:
Hello! Unfortunatly, I can't tell what the question is. Could you post another question with more accuracy? Thanks!
Explanation:
I hope this helps! Have a great rest of your day!
Protein is broken down for energy when carbohydrates are scarce
Answer:
Carbon dioxide
Explanation:
Because The heart pumps the oxygen to the muscles that are doing the exercise. When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
