Complete the following statements: 1. Mature red blood cells are also called . 2 2. The shape of a red blood cell can be described as a disc. 2 3. The functions of red blood cells are 4. is the oxygen-carrying substance in a red blood cell. 2 . 5. A mature red blood cell cannot reproduce because it lacks the development. 2 that was extruded during late 6. White bich celis are also called 7. White blood cells with granular cytoplasm are called + 2 . 8. White blood cells lacking granular cytoplasm are called 2 9. Polymorphonuclear leukocyte is another name for a with a segmented nucleus. 2 10. Normally, the most numerous white blood cells are. (2) 11. White blood cells with coarse reddish cytoplasmic granules are called (2) 12. are normally the least abundant of the white blood cells. 2 13. are the largest of the white blood cells, 2 14. are small agranulocytes that have relatively large, round nuclei with thin rims of cytoplasm. z . 15. Small cell fragments that function to prevent blood loss from an injury site are called 2. .