A. In the Body Defender challenge, what two body parts make up the first line of defense against pathogens? pls answer

answer; i believe that the correct answer is (participation);

i think the answer is strength

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.