I think it would be kidneys because of the way the question is worded, kidneys are the only things you have 2 of that also is involved in the digestion of foods.
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:
they probably don't have anything better to do.
The correct answer is letter B. <span>Even though an item says fat free it can still contain at least 5 grams of fat per serving. This is the most minimal number of fat content that can be found in different food sources. This is not eliminated totally as these products come from raw materials that use and utilize fat for chemical processes.</span>