Which of the following is correct about breakdown of hemoglobin (Hb)_____________?

• A. Hb→Heme→bilirubin→Urobilinogen
• B. Heme→Hb→Biliverdin→Urobilinogen
• C. Hb→Heme→Bilverdin→Uro bilinogen
• D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin