Your body's first line of defense against infectious disease includes A) physical barriers like skin, mucous membranes, and cilia
B) fever, inflammation, and phagocytosis
C) T cells, B cells, and antibodies.
D) the lymphatic system. immune system, and inflammation response.​

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.