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.

Oxygen passes through capillary walls and into interstitial space where cells absorb ? a. nitrogen, b. oxygen, c. carbon dioxide, d. metabolic waste

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.