Paul Ekman studies showed people from various cultures different pictures of facial expressions. Shame and interest also recognized. There are cultural differences though. Gender differences too. Women experience emotion more intensely, are better able to read emotions, and are better able to read emotions more intensely and more openly than men.
Socialization plays a role.
Somewhere between 5 and 9. Anger, fear, happiness, sadness, and disgust. Also, surprise, contempt, interest, shame, guilt, joy, trust, and anticipation. A challenge to a person s capacity to adapt to inner and outer demands, which may be physiologically arousing and emotionally taxing and call for cognitive and behavioral responses. Blood may still have sugar and hormones.