having lived or existed long; of advanced age; old: an aged man; an aged tree. 2. pertaining to or characteristic of old age: aged wrinkles. 3. of the age of: a man aged 40 years. 4. brought to maturity or mellowness, as wine, cheese, or wood: aged whiskey.
Confidence votes 80. The left ventricular chamber of the heart is responsible for pumping blood out of your heart and through your arteries to the rest of the body. The right ventricle, receives blood returning in the veins from the rest of the body. It them sends it to be re-oxigenated in the lungs.
The left atrium is one of the four hollow chambers of the heart. It plays the vital role of receiving blood from the lungs via the pulmonary veins and pumping it to the left ventricle. The left atrium is a small, hollow structure on the superior left side of the heart. It is separated from the right atrium by the interatrial septum and from the left ventricle by the bicuspid (mitral) valve.