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.
Chronic over-stimulation of the brain (like that which occurs in addiction) interferes with the maintenance of this balance (homeostasis). When the brain has difficulty maintaining homeostatic balance, the wonderfully adaptive brain makes adjustments. It does this by creating a new balanced set-point.