Question

c. antigens
d. lymphocytes

1. what can you do to keep your immune system strong?

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Explanation:

To keep the immune system strong, actions like maintaining a balanced diet (providing nutrients like vitamins, minerals for immune cell function), regular exercise (improving blood circulation, enhancing immune cell activity), getting enough sleep (allows immune system to repair and regenerate), managing stress (chronic stress suppresses immunity), avoiding smoking and excessive alcohol (they impair immune function), and getting vaccinated (to boost immunity against specific pathogens) are effective.

Answer:

To keep the immune system strong, one can: 1. Eat a balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats to provide essential nutrients for immune function. 2. Engage in regular physical activity (e.g., 30 minutes of moderate exercise most days) to improve circulation and immune cell activity. 3. Get 7 - 9 hours of quality sleep daily to allow the immune system to rest, repair, and regenerate. 4. Manage stress through techniques like meditation, yoga, or deep breathing, as chronic stress weakens immunity. 5. Avoid smoking and limit alcohol intake, as they harm immune cells and organs. 6. Stay up - to - date with vaccinations to protect against specific infectious diseases and boost immunity.