Describe the main metabolic pathways included in the postabsorptive state, including the purpose of this process.

Describe the feedback mechanism involved in regulating gastric juice pH and motility in the gastric phase of digestion.

Describe pH regulation by buffer systems and exhalation of carbon dioxide.

Describe glomerular filtration, include GFR and the effects of blood pressure.

Describe tubular reabsorption at the PCT, loop of henle, DCT and collecting ducts (include movements of solutes and water and the hormones involved).

Describe the negative feedback mechanism to return high blood concentration of NaCl back to normal after increased intake.

Describe oogenesis (in utero, during adolescence and during the ovulation cycle). Be specific with meiosis I and II.