USPS - Post Office - RENSSELAER, Indiana (mail package delivery courier ) - Location & Hours.
Making the world better, one answer at a time. Red blood cells are found in arteries, veins, ventricles, and the heart. If red blood cells are found outside of these areas, there is usually a problem.Veins and arteries are found all around the body. Ventricles are found in the heart.aking the world better, one answer at a time. Red blood cells are found in arteries, veins, ventricles, and the heart. If red blood cells are found outside of these areas, there is usually a problem.
Confidence votes 133. Red blood cells (RBCs) are produced in the bone marrow. Red blood cells are also known as erythrocytes and they transport oxygen and carbon dioxide between the lungs and tissues. The production of red blood cells is also known as hematopoiesis; this process occurs in the bone marrow.