Which of the following is a benefit of physical exercise for seniors?

Engaging in physical exercise offers a multitude of benefits for seniors, primarily improving physical function and enhancing mental health. Regular physical activity helps maintain and improve strength, balance, and flexibility, which are vital for maintaining independence and reducing the risk of falls. Additionally, exercise has been shown to have a positive impact on mental health by reducing symptoms of anxiety and depression, boosting self-esteem, and promoting overall cognitive function.

Physical activity also plays a crucial role in preventing and managing chronic diseases, as it can help control weight, improve cardiovascular health, and enhance the immune system. Given these numerous benefits, it is clear why the option regarding improvement in physical function and mental health stands out as the correct choice in this context.