Answer:
By the production of white blood cells and antibodies.
Explanation:
The immune system's job is to identify foreign object and to make antibodies and white blood cells to fight said virus.
D. The hundred-thousands place.
Answer: Here are some things you can do!
Get 8 hours of sleep.
Eat nutritious meals.
Drink 8 cups of water daily.
Engage in 60 minutes of physical activity each day.
Maintain a healthy body weight.
Bathe, brush and floss teeth daily.
Regular doctor and dentist visits.
