The brain and central nervous system
brain
Mammals lose solutes through urinary excretion, respiration, and sweating. The process that normally exerts the greatest control over water balance of an individual is urinary excretion.
because your body is cool
"Autonomic" functions are the functions of the body that occur involuntarily, that is, they happen and you have no control over them. Example of autonomic functions in human are the regulation of the heartbeat and the secretion of the hormones.
The hypothalamus is considered the control center of the endocrine system because it acts as the endocrine system's thermostat - it signals glands to turn on or off hormones as the body needs them.
aldosterone
The kidney exerts primary control over sodium levels in the body by regulating the reabsorption and excretion of sodium ions in the urine. Hormones such as aldosterone also play a key role in controlling sodium levels by influencing the reabsorption of sodium in the kidney.
fascism
RNA
RNA
Basically you have control over the voluntary muscular system (and the bones it's connected to).
What_is_the_sensitive_area_of_the_small_intestine_which_exerts_control_over_the_entire_digestive_tractAccording to this the "Duodenu".
The reticular formation in the brain stem
One country's control over another is typically referred to as imperialism or colonialism, where a more powerful country exerts influence, control, or authority over a less powerful country or region.
Evaporation through the skin normally exerts the greatest control over the water balance of an individual, as sweating helps regulate body temperature and prevent overheating. This process allows the body to eliminate excess heat and maintain a stable internal environment.
probably the duodenum
Duodenum: the upper chamber of the Small Intestine.