What does b-cell do in our immune system?

They make your immune system stronger and protect you against antigens (toxins or foreign substances) the body may have already encountered. How does it happen? Well, B-Cells trigger the B lymphocytes to produce antibodies. These antibodies are a special protein that latches onto the toxins, or antigens. The antibodies stay in your body for life, so that if that toxin ever comes face to face with the immune system again their ready to fight it off and keep you healthy!

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.