The walls of the left atrium are slightly thicker than the walls of the right atrium. Oxygen-rich blood from the lungs enters the left atrium through the pulmonary vein. The blood is then pumped into the left ventricle chamber of the heart through the mitral valve.From there, the blood is ready to be pumped into the body to deliver oxygen-rich blood to all bodily tissues.he blood is then pumped into the left ventricle chamber of the heart through the mitral valve. From there, the blood is ready to be pumped into the body to deliver oxygen-rich blood to all bodily tissues.
The IRS will begin accepting 2016 tax returns on Jan. 23, and this yearâs deadline is April 18 â not 15 â because the deadline arrives on a weekend and is followed by the Emancipation Day holiday in Washington.
We know how important your tax refund is to you. Good news, the IRS started processing tax returns on January 30th. Returns will be processed in the order they were submitted and as soon as your tax return is accepted, we will notify you by email. This notification could take up to 48 hours.The IRS estimates that you should receive your tax refund within 21 days of your return being accepted. The IRS issued more than 9 out of 10 refunds in less than 21 days last year and expects the same results this year.nce your tax return has been accepted by the IRS, you can track the status of your refund by logging into your MyTurboTax account or checking the IRS Whereâs My Refund Tool. IRS Update: The IRS announced today that they are experiencing high traffic on their Whereâs My Refund Tool.