The left ventricle contracts. The blood is then pumped to the whole body through its biggest artery after passing through the aortic valve. The biggest artery is called the aorta." > The left ventricle contracts. The blood is then pumped to the whole body through its biggest artery after passing through the aortic valve. The biggest artery is called the aorta." /> The left ventricle contracts. The blood is then pumped to the whole body through its biggest artery after passing through the aortic valve. The biggest artery is called the aorta." />