The organizational structure of this excerpt is a list of benefits of organized team sports. The author presents three main benefits: teamwork, time management, and physical fitness. The heading for the last section could be "Benefits of Organized Team Sports".

Benefits of Organized Team Sports

I. Teamwork
- Teaches cooperation and collaboration
- Builds trust and communication skills
- Encourages mutual support and camaraderie

II. Time management
- Helps in prioritizing and managing commitments
- Enhances organizational skills and deadline management
- Promotes discipline and punctuality

III. Physical fitness
- Improves cardiovascular health and endurance
- Enhances strength, flexibility, and coordination
- Promotes a healthy lifestyle and habits

Overall, organized team sports offer numerous benefits in terms of teamwork, time management, and physical fitness. By participating in team sports, individuals have an opportunity to develop valuable skills and improve their overall well-being.