1. Why is water a major component of the body?: Answer It is essential to homeostasis,a place for metabolic reactions, transportation system for the body, and it facilitatingmovements of body parts 2. What are the different fluid compartments?: Answer Intracellular compartment (ICF)and extracellular compartment (ECF) 3. Intracellular compartment: Answer Fluid inside the cells 4. Extracellular compartment (ECF): Answer Fluid outside cells 5. What does the extracellular compartment consist of?: Answer Intravascular fluid(IVF), interstitial fluid (ISF), and cerebrospinal fluid (CSF) 6. How does the body balance water and electrolytes?: Answer Through thirst, antidiuretic hormone (ADH), aldosterone (atrial natriuretic peptide (ANP) and T-type natriuretic peptide) 7. How do antidiuretic hormones regulate water and electrolyte balance?: - Answer Through reabsorption of water from the kidney tubules 8. How does aldosterone regulate water and electrolyte balance?: Answer Throughreabsorption of sodium and water