Erythrocyte

Erythrocytes also known as red blood cells are the most common cell in the body. The cells are devoid of a nucleus and has a biconcave lens shape.the cells are filled with hemoglobin (a biomolecule that can bond with oxygen) which makes the cell red. Hemoglobin contains iron. Erythrocytes carry oxygen and release it when while squeezing through the body's capillaries. The red blood cell has a life span of 120days and are produced in the none marrow