I believe it is the nervous system but I'm not 100% sure
Because they'll try to hide it.
That's because part of them knows that what they're doing is unhealthy and so they don't want people to know.
From the options you provided i would say greek, dont hold me to it but i belive so
Answer:
King, queen ,and jack are called face cards. Total number of face cards are 12. Probability = Number of favourable outcomes/ Total number of outcomes. Hence, the probability that the card drawn is black card ½.
Explanation: