1.Regulation is the life process by which organisms and cells respond to our constantly changing internal and external environment. This is important because an upset in homeostasis in any one of an organism's systems might result in an imbalance in the organism's homeostasis. In humans, regulation consists of the endocrine and nervous systems. The endocrine system is made up of many organs that produce hormones into the bloodstream. The nervous system carries messages in the form or nerve impulses throughout the body. …
