After the blood receives oxygen, it returns to the left side of the heart, the left atrium. After collecting in the left atrium, it is pumped into the left ventricle, and from there it is pumped into the aorta, the largest blood vessel in the body. From the aorta, blood courses throughout the body through its arteries. For blood to go in only one direction, forward, it must pass through the heart valves, which function as one-way doors, opening and shutting with each beat of the heart. Just as there are four chambers to the heart, there are four heart valves.
For example, you could contribute $2,500 to a Roth IRA with one provider and $3,000 with a second provider. You cannot contribute $5,500 to the first Roth IRA and $5,500 to the second provider. Your total contribution limit is $5,500 for all accounts for the tax year.dditional Roth IRA Contribution Information. Individuals may contribute money to a Roth IRA from January 1 of the current tax year to April 15 of the following tax year. Contributions are made with post-tax dollars.
Like adults, minors are subject to the maximum annual contribution limits for Roth IRAs. As of 2012, the maximum contribution limit is $5,000 per tax year for investors under the age of 50. A minor may not contribute more than $5,000 to a Roth IRA. Contributing to a Roth IRA may have significant advantages for minors.