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.
(2) The ability of the body or a cell to seek and maintain a condition of equilibrium or stability within its internal environment when dealing with external changes. (3) homeostasis is the maintanance of the constant internal environment which include the function of kidney,liver,skin... In humans, homeostasis happens when the body regulates body temperature in an effort to maintain an internal temperature around 98.6 degrees Fahrenheit.