| Body changes during adolescence |
| Boys | Girls |
| Broad shoulders | Wider region below waist |
| Wider chests | Development of mammary glands |
| Growth of muscles | Acne and pimples on face |
| Growth of facial hair | Development of sex organs |
| Acne and pimples on face | High-pitched voice |
| Development of sex organs | Growth of pubic hair |
| Growth of pubic hair |