Most humans are born with two kidneys as the functional components of what is called the renal system, which also includes two ureters, a bladder and a urethra. The kidneys have many functions, including regulating blood pressure, producing red blood cells, activating vitamin D and producing some glucose.
Braves' Andruw Jones hits Petco Park's longest homerun. Andruw Jones hit the longest homer ever at Petco Park, a 453-foot shot that went deep into the second deck in left-centre field, and three other Atlanta Braves connected in an 11-3 rout of the NL West-leading San Diego Padres in July 2006.
Before he was hurt, however, he managed to hit nine home runs in 90 at-bats, and one of them was a bomb off the scoreboard in dead center at Chase Field against hard-throwing Cubs right-hander Francis Beltran that ranks as the longest in the stadium's history.