Type your response in the box. Multiple sclerosis (MS) is a disease that affects the nerve cells of the brain and the spinal cord. Some of the symptoms of MS are chronic pain, pins-and-needles sensations, muscle weakness, and visual disturbances. Study the image, and then explain the cause for these symptoms.

an illustration showing a nerve with healthy nerve cells, and a nerve with damaged nerve cells affected by multiple sclerosis

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody