Q1. Both endocrine and nervous systems are major regulating systems of the body; though, nervous system has been compared to an airmail delivery system and endocrine system to the pony express. In brief explain this comparison.

Q2. Compute the pH of a solution that is 0.120 M in acetic acid, HC2H3O2, and 0.210 M in sodium acetate, NaC2H3O2. The Ka of acetic acid is 1.76 x 10-5.