« Blank Nephron Image | Main | Tinkering with the Space Toilet »

Question of the Day

Why is urine yellow?

Comments

Urine is yellow because it contains chemicals called urobilins, the breakdown products of the bile pigment bilirubin.

Source: http://sxxz.blogspot.co /2006/07/why-is-urine-yellow.html

Post a comment

(If you haven't left a comment here before, you may need to be approved by the site owner before your comment will appear. Until then, it won't appear on the entry. Thanks for waiting.)