Answer:
1. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splinters, distinguishing them from the organism's own healthy tissue. Many species have two major subsystems of the immune system.
2. Eat a healthy, balanced diet with lots of vegetables and fruit
Keep your immunizations up-to-date
Don’t use tobacco, vape products, alcohol, or drugs
Exercise as often as you can
Stay aware of your emotions and moods
Explanation:
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