The third line of defense fights disease by O providing a physical barrier against pathogens.
attacking each pathogen it encounters in the same manner.
O producing a fever to raise the body temperature making it inhabitable to pathogens.
O producing a specific and unique response for each kind of pathogen it encounters.

Advertisements are filled with images of extremely fit and sometimes even underweight people. what is an example of how these images might positively influence a person’s health choices? a) choosing to use weight loss supplements to increase weight loss b) electing to skip meals to reduce calorie intake until target weight is met c) figuring out ways to purge after meals to reduce the number of calories consumed d) finding ways to increase physical activity to burn calories and increase heart weight

Christine, a three-year-old child, often wears her mother’s shoes and carries her bag while pretending that she is going shopping. sometimes christine copies her mother in the kitchen by stirring in empty pots. which type of developmental change is christine experiencing? a- social and emotional b- psychological c- physical d- cognitive

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(