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.
True, People think it doesnt effect you at all which is why crashes happen.
Calcium
<span>protein </span>
<span>vitamin A </span>
<span>Vitamin B
Are the source of energy that dairy product can give us. However, it depends on a dairy product on what ingredients did they used. But most probably the given lists above are the most popular</span>