"Exercise helps strengthen your cardiovascular system. It also lowers your cholesterol, increases the blood flow to the brain, and enables you to think longer. So, there is no reason for you not to start exercising regularly." What is the conclusion of this argument?

The conclusion of this statement is that one should exercise regularly to keep one's mind and body fit and healthy.

Explanation:

Cardiovascular system means the system of our body involving the heart, the blood and the blood vessels. In statement it is told that doing exercise strengthens our cardiovascular system. Doing exercise lowers our cholesterol, increases the blood supply to the brain and helps us to think longer.

So, there is no reason that we must avoid exercising regularly.

Therefore the conclusion of the given statement comes out as that we must exercise regularly to keep our mind and body fit.

when it gains or loses electrons

the answer would be   dignified - apex