What system is not affected by the common cold?

If one of your friends tries to get you to stay out later than your curfew, you should: a. go along with it because your parents are too strict anyway. b. yell at them about what a stupid idea it is. c. say you don't want to, but if they insist, you stay. d. tell them that you're going home, but they can stay out if they want to.

Stan is a ninth grader involved in active sports. which list of food would provide him with a balanced diet

Which behavior of an expectant mother is unhealthy