The immune system would provide the most protection from colds and flus. The immune system is responsible for recognizing and defending against invading pathogens, such as viruses and bacteria, that can cause illnesses like colds and flus. It does so by producing antibodies, white blood cells, and other immune cells that work together to fight off infections and keep you healthy. Keeping your immune system strong through proper nutrition, regular exercise, and good hygiene practices can help reduce your risk of getting sick with colds and flus.
