Answer:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide
Explanation:
The answer to the blank in the above statement is 30%.
Yes, that is 100% true that the<span> regular heavy drinkers usually have to drink more and more in order to have the same effect.
The reason is that when they drink regularly, their brain gets used to the alcohol and it doesn't have any effect at that certain amount which they intake. So when they feel that taking that much amount of alcohol does feel them good, they drink more and more and there comes a stage when alcohol doesn't have any effect on them.</span>
What their motions are and how the brain works in a baby
