BIOS 252 Midterm Exam 2023 / BIOS252 Midterm Exam (Review and Essay Question Answer) Anatomy and Physiology II with Lab: Chamberlain College of Nursing

Homeostasis (give examples, thermoregulation, water regulation, blood pressure regulation) • Condition of equilibrium in the body’s internal environment, and maintained by regulatory processes. • Survival of our body cells is dependent on the precise regulation of the chemical composition of their surrounding fluid o Fluid known as extracellular fluid, and fluid that fills narrow spaces between cells is interstitial fluid. ▪ Other types are blood plasma, lymph, cerebrospinal fluid, synovial fluid, aqueous humor, and vitreous body. • Internal conditions are in a dynamic equilibrium; set point (like thermostat in house) • Essential for maintenance of life; death and disease • Homeostatic control loop; receptor, control center and effector