Why is Poop Brown? 💩 | Heme b Metabolism & Elimination

The video explains the degradation of red blood cells, focusing on the breakdown of hemoglobin and heme. Hemoglobin is split into globin and heme, with globin being degraded into amino acids. Heme is converted into biliverdin and then bilirubin, which is transported to the liver. In the liver, bilirubin is conjugated and excreted into bile, eventually reaching the intestines. Bacteria in the intestines further metabolize bilirubin, contributing to the color of feces and urine.

What is the significance of conjugated bilirubin in the liver?

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What role do bacteria in the colon play in the degradation of bilirubin?

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How does urobilinogen relate to the color of urine?

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