D lactic acid (2x5) (10) 1.2 Give the correct biological term for each of the following descriptions. Write only the term next to the question number (1.2.1 to 1.2.5) in your ANSWER BOOK. 1.2.1 Wave- like motions of the wall of the alimentary canal which moves food along the alimentary canal 1.2.2 Finger- like projections in the wall of the small intestine for absorption.​