Respuesta :

Since mature red blood cells do not contain a nucleus, more room is available for hemoglobin. I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.

Answer: Hemoglobin

Explanation: The mature red blood cells do not contain nucleus which provides extra surface area for carrying oxygen.

The more will be the surface area more will be the oxygen carrying capacity of the cell.

The main function of these cells is to provide oxygen to the various cells of the body for the various functions of the body.