Circulatory System: Facts, Function & Diseases. The circulatory system is a vast network of organs and vessels that is responsible for the flow of blood, nutrients, hormones, oxygen and other gases to and from cells.
And I must make one more important point about all this maximum benefit business. I just said that the maximum Social Security benefit this year is $2,663. But there are many people getting more than that.
What is the current maximum amount of taxable earnings for Social Security this year? In 2016, the highest amount of earnings on which you must pay Social Security tax is $118,500. We raise this amount yearly to keep pace with increases in average wages. There is no maximum earnings amount for Medicare tax. You must pay Medicare tax on all of your earnings.