Three reading comprehension selections (Your Immune System, Immune System Disease, Keeping Your Immune System Healthy) clearly and simply explain how the immune system works and how to keep it working. Each selection is followed by 5 multiple choice questions and 4 questions that require brief written responses. (11 pages)
Two reading comprehensions (Your Immune System, Keeping Your Immune System Healthy) clearly and simply explain how the immune system works and how to keep it working.