Height of 5 cardiac signals

Hello, what is the height of five heartbeats? The five basic causes of heart signals are height 184cm. In Signal 5 of Variety Show, the third man, Zhang Genyuan, clearly stands at 184, but among two boys with a height of 190 and a group of girls with a height of 175, he looks a little petite, and he is really the youngest, with an immature face and feels like a younger brother.