What is the main function of red blood cells?

Maintains osmotic pressure of the blood, preventing plasma from leaking into the tissues Albumin have many functions, such as transporting other substances and, as antibodies, protecting the body against infection. read more

The main function of red blood cells (erythrocytes) is to distribute oxygen to body tissues, and to carry waste carbon dioxide back to the lungs. Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic, enabling them to pass through narrow capillary vessels. read more

These make up the remaining 45% of our blood volume. Red Blood Cells. Blood has three main functions: transportation, regulation and protection. Our erythrocytes, or red blood cells, are the most abundant cell type in the human body. Additionally, erythrocytes are anucleated, which means they don't have a nucleus. read more