Explain the role that high blood pressure and cholesterol play in heart attacks and strokes.

Explanation:

When you have more than your body needs, cholesterol can cause plaque to build up in your arteries. This thick, hard plaque can clog your arteries like a blocked pipe. Reduced blood flow can lead to a stroke or heart attack.

the denominator has a very specific role.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.