What human cells in the process of development lose their nucleus, but continue to perform their

What human cells in the process of development lose their nucleus, but continue to perform their functions for a long time? 1) nerve cells 2) cells of the inner layer of the skin 3) erythrocytes 4) striated muscle fibers

Red blood cells are red blood cells that form in the red bone marrow. During the period of formation, the cells contain a nucleus, but at the moment they enter the bloodstream, they lose their nuclei. But erythrocytes throughout a person’s life perform their intended function – the transfer of oxygen to the tissues and the removal of carbon dioxide from them. Due to the property, red cells can perform their function for a long time in the human body every 120 days.

Answer: point 3 – erythrocytes.