This question has options. Select from options: Read this fact: "skin is used for protecting the body from harmful substances"

Now answer this question: "Which of the following would be a reason you are sick?"

Choose from:
*a cut on your thumb allowed bacteria inside;
*your hair follicles get dirt on them;
*your stomach digested a delicious breakfast;
*your nose allowed water inside;
a cut on your thumb allowed bacteria inside