Since 1999, Nissan has been part of the RenaultâNissan Alliance, a partnership between Nissan and French automaker Renault. As of 2013, Renault holds a 43.4% voting stake in Nissan, while Nissan holds a 15% non-voting stake in Renault. Carlos Ghosn serves as CEO of both companies.
Figure 1: Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. Vitamin D enters circulation via synthesis in the skin or intestinal absorption and is subsequently converted to its active form, 1,25(OH) 2 D via separate hydroxylation processes in the liver and kidneys.
By definition, homeostasis is the tendency of a system to maintain internal stability. It is essential to life in higher animals. When the external temperature rises, the human body responds by forming perspiration to maintain core temperature of 98.6 F, at which the body functions best.