Chapter 9: Homeostatis & Hormonal Control

Question 1

homeostasis

Answer 1

maintenance of a constant internal environment

Question 2

negative feedback process

Answer 2

disturbance in body’s system sets in motion a sequence of events that tends to restore ur system

Question 3

corrective mechanism

Answer 3

brings about reverse effect of the stimulus

Question 4

hormone

Answer 4

chemical substance produced in minute quantities by an endocrine gland, transported in bloodstream to target organs where it exerts its effects

Question 5

endocrine glands

Answer 5

ductless glands: does not have a duct to carry away its secretion
- hormone secreted directly into bloodstream, bloodstream distributes hormone ard body

Question 6

diabetes mellitus

Answer 6

diabetes.
type 1: early in persons life- juvenile/early onset diabetes
- islets of Langerhans unable to produce r secrete sufficient insulin [inherited]

type 2: late onset diabetes [overweight ppl]
- target cells (muscle cells) do not respond well to insulin

Question 7

blood vessels under skin

Question 8

sweat glands

Question 9

sensory receptors

Answer 9

thermoreceptors