Consider the following statements regarding digestion and absorption in mammals. Identify whether they are true or false and select the correct option accordingly.

I. Both Kupffer’s cells and Glisson's capsule are the characteristic of mammalianliver.

II. The muscular activities of alimentary canal are controlled by local neural signals and through CNS.

III. The physiologic values of proteins and fats are 9.0 kcal/g and 4.0 kcal/g, respectively.

IV. Zymogens (inactive form of enzymes) are not the secretions of the peptic cells.