Answer:
I honestly think it's C
Explanation:
because if they are having fun they wouldn't realise they are doing something bad.
Answer:
a sphygmomanometer
Explanation:
It is painless, and consists of a gauge and a cuff. The cuff goes around the arm or leg, and then is inflated.
I think the answer is a because if it wasn't many bad ideas for medicine will come and we could get hurt from them.