Final answer:
Acetylcholine transport to parasympathetic effector organs is not a function of blood. Blood's functions include transporting oxygen to tissues, carbon dioxide to lungs, distributing heat, and defending the body against infections.
Step-by-step explanation:
Among the given options, the correct answer is C. Delivering acetylcholine to the parasympathetic effector organs. This is not a function of blood. Functions of blood include transporting oxygen and nutrients to the tissues of the body, transporting carbon dioxide to the lungs for elimination, defending the body against infection, and distributing heat throughout the body to regulate body temperature. Blood is composed of cellular elements like red blood cells (RBCs), white blood cells (WBCs), and platelets, as well as plasma, which is the extracellular matrix that is fluid. This complex composition allows blood to perform its crucial functions in maintaining homeostasis and supporting bodily functions.