The left atrium serves as a vessel for blood coming from the lungs and a pump to deliver blood to other parts of the heart, according to Healthline. Oxygen-rich blood from the lungs goes to the left atrium via the pulmon... More »

The left atrium is not always larger than the right. Either of the atrial appendages may be larger than the other. Both the left and right atria are located at the bottom of the heart and are separated from each other by... More »

Symptoms of clinically significant enlarged left atriums include the abnormal heart rhythms that are medically referred to as atrial fibrillations, explains the Ochsner Journal on the U.S. National Library of Medicine we... More » Health Conditions & Diseases Cardiac Health

According to Healthline, the function of the superior vena cava is to carry spent, deoxygenated blood from the rest of the body to the right atrium of the heart. The right atrium then releases the blood into the right ve... More »

The main function of the heart is to pump blood to the lungs to be saturated with oxygen, and then pump it out into the body to supply the cells with oxygen. The heart, along with the blood vessels, make up the cardiovas... More »

A frog's heart consists of three chambers, the right and left atrium and a ventricle, that take in deoxygenated blood through vessels from various organs and limbs and then re-oxygenate the blood through the skin and lun... More » Pets & Animals Amphibians Frogs

Blood enters the heart in the right atrium, passes into the right ventricle and is then pumped to the lungs; after leaving the lungs, the blood travels back into the left atrium, into the left ventricle and then flows in... More »