All of the above are correct
Answer:
C. An AED
Explanation:
A portable device that examines a person's cardiac rhythm and administers an electric shock to the heart is known as an automated external defibrillator (AED).
Some of the reasons for using a zone defense are: The opposing team has a player/players too quick (in the case of guards) or too big (in the case of forwards or centers) for a man-to-man defense to be effective. Many zones pack defenders in the lane but allow the offensive team to take long-range shots
C.pump blood more efficiently