Which of the following is NOT a role of plasma proteins? To destroy infectious agents To help transport insoluble molecules To make the blood thicker To help maintain the osmotic balance and pH of the blood All of the above are roles of plasma proteins.

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.