Which of the Following Is Not an Advantage of Closed

Which of the following is not an advantage of closed circulatory systems as compared to open systems?

A) Closed systems move wastes and nutrients more quickly.
B) Molecules specialized as carriers of hormones and nutrients can be stored in closed systems when not in use.
C) As certain tissues experience a greater need for respiratory gases, closed systems can prioritize the delivery of gases to them.
D) In hermaphroditic species, closed systems can deliver gametes from one set of sex organs directly to the other.
E) As certain tissues experience a greater need for nutrients, closed systems can prioritize the delivery of nutrients to them.