Which statement correctly describes how your body defends itself against infectious disease?

The first line of defense is the skin; the second line of defense involves the immune system recognizing antigens found on the cell of a foreign invader; the third line of defense involves specialized cells that will attack invaders it sees as foreign.

Explanation:

1. entire bag, then the entire bag of calories

2. the percent of fat would be the percent of fat from the serving size, added up to the entire bag of calories

3/4. the saturated fat would be on the bag label, but im pretty sure if you take the serving size and do the math to figure it out you could find out in total the fiber, saturated fat,etc..

5. no probably not

there should be recorded video of the class under the assignments for the day