Urea is formed in liver as the end product of protein metabolism and digestion. Urea is transported to the kidneys for excretion. A normal range for blood urea nitrogen is generally 8 to 24 mg/dl for adult males and 6 to 21 mg/dl for females.
Wyatt is a recurring character of the ABC Family series, The Fosters. He's Callie's first real friend in school, due to the fact that they are both outsiders. Eventually, he becomes her love interest often having an on-again/off-again relationship with her. He appears for the first time in Hostile Acts.
Comments125 Share. Season 4 of The Fosters was announced [1] on November 30, 2015. The amount of episodes was confirmed to be 20. The new season aired on June 20, 2016 with a two-part season premiere.