Intracellular Fluid {Ans: Fluid inside cells with high protein and potassium}Erythrocytes {Ans: Cells carrying oxygen, regulated by erythropoietin.}Ligaments {Ans: Structures attaching bone to bone.}Obesity {Ans: Condition predisposing to type II diabetes}Extrinsic control {Ans: Regulation from outside the body}Tendons {Ans: Structures attaching bone to muscle}Blood vessels {Ans: Part of the cardiovascular system}Effector {Ans: Produces the final response in a feedback loop}Intracellular fluid {Ans: Fluid inside cells with high protein and potassium concentration.}Absorption {Ans: Uptake of nutrients from gastrointestinal tract into bloodstream}Esophagus {Ans: Organ in the gastrointestinal system}Epithelial Tissue {Ans: Lines organs, provides internal-external barrier.}Intrinsic Control {Ans: Mechanisms maintaining extracellular fluid in a constant state}Insulin {Ans: Hormone secreted by beta cells of the pancreas}Negative Feedback {Ans: Primary mechanism for maintaining homeostasis}Glands {Ans: Derived from epithelial tissue.}Major Cell Types {Ans: Epithelial, muscle, nervous, connective tissue cells.}Brain {Ans: Organ in the nervous system}Collagen {Ans: Protein providing tensile strength in the body}Epithelial tissue {Ans: Sheet-like layer of cells connected to a basement membrane, varying in shapes and sizes, forming a barrier between body fluids and the external environment.}