During exercise, we undergo respiration. Therefore, we need oxygen and release carbon dioxide and water as waste products. When exercise become vigorous, we only run on anaerobic respiration with little oxygen, then lactic acid becomes a waste product instead of carbon dioxide and water. This occurs due to incomplete breakdown of glucose.
Best answer is C. lactic acid.
Answer: digestive and excretory completes the sentence.
Formulary would be a correct answer
Answer:
B
Explanation:
Get a referral from his primary care physician.
Answer:
I dont have cancer......
Explanation:
Hi I dont have cancer but I know someone who does... I feel bad for them because you dont know if you are going to live or not. I hope you feel the same too.