Final answer:
Good sleep and spending time outdoors can boost the immune system.
Explanation:
Sleeping well is crucial for a healthy immune system as it helps fight infection and supports immune responses. Adequate rest allows the body to recover and enhances overall health. Additionally, spending time outdoors to get fresh air and sunshine provides vitality and vitamin D, which are beneficial for the immune system.
Learn more about Immune System Boosting Behaviors here:
https://brainly.com/question/44218849
