Question 1 / 20
Which is the missing piece?
Would you like to use your joker to eliminate two incorrect answers?
No one knows where the abstract heart-shaped symbol for the human organ originated. The human heart will keep beating outside of your body because it has its own electrical impulse. The symptoms of a heart attack are different in men and women. While men mostly experience pain or discomfort in the chest area, woman may feel nausea, jaw pain and cold sweat.