Both C and D are the answers. But I will go with D
Answer:
Normal vital sign ranges for the average healthy adult while resting are: Blood pressure: 90/60 mm Hg to 120/80 mm Hg. Breathing: 12 to 18 breaths per minute. Pulse: 60 to 100 beats per minute.
Explanation:
Defence means protect and offence means fight back
The right answer is digestive. Cause when you hear gallstone it is digestion most of the time.