Constitutional isomer (skeletal isomer; structural isomer): One molecule in a set of isomers that differ in the order the atoms are connected. The term ' structural isomer ' is vague (all isomers differ in their structure) and should be avoided. Three Constitutional Isomers of C 5 H 8.
Text Preview. Homeostasis is the maintenance of a constant environment in response to internal and external stimuli. The body requires the constant and healthy environment that only homeostasis can provide Without this environment the body wouldnât be able to carry out the life support process.omeostasis is the maintenance of a constant environment in response to internal and external stimuli.
When homeostasis exists, the hypothalamus tells the pituitary gland to release the normal amount of ADH, telling the kidneys to retain and excrete the right amount of water necessary to retain balance. Other Factors Affecting ADH Function. Alcohol and other drugs affect how the body processes or understands ADH.