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.
On July 30, 2013, the series was picked up for a full season and an additional eleven episodes were produced, with the season returning on January 13, 2014. On October 11, 2013, ABC Family renewed The Fosters for a second season that premiered on June 16, 2014. The summer finale premiered on August 18, 2014.