According to Russia's "Fun Facts Report", kissing absolutely deserves a coveted place in brain function, because everyone living on Earth experiences the joy of kissing throughout their life: women kiss men, men kiss women, even world leaders have to give each other a peck on the cheek when they meet. It is generally believed that a person does not learn relevant skills before their first kiss, yet kissing is worth analyzing from a scientific perspective.
1. Kissing is also a form of exercise.
During the famous French deep kiss, 30 muscles actively participate in the kiss: 12 control the movement of the lips, and 11 control the movement of the tongue. Moreover, during kissing, one's pulse quickens, increasing from 70 beats per minute to 150 beats per minute.
2. Kissing is a prelude to sex.