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.
A red blood cell (RBC) count is a blood test that tells you how many red blood cells you have. Red blood cells contain a substance called haemoglobin which transports oxygen around the body.