Across
- 2. Red blood cells are red, because hemoglobin is a what?
- 6. Red blood cells make up 44% of what?
- 7. Where do red blood cells carry carbon dioxide too?
- 8. Red blood cells aid in what exchange?
- 9. What is another name for the red blood cell?
- 10. What is the protein inside red blood cells?
- 13. The what of a red blood cell is 120 days?
- 15. Red blood cells have a what of 6-8 um?
Down
- 1. Red blood cells are covered in a membrane composed of what (one)?
- 3. Red Blood cells lose their nucleus in a process called what?
- 4. Where do red blood cells carry oxygen too?
- 5. Red blood cells are made in what marrow?
- 11. The main job of the red blood cell is to transport what?
- 12. What shape are red blood cells?
- 14. Red blood cells are covered in a membrane composed of what (two)?