Human rights are sometimes portrayed as “the immune system of democracy” What does this mean?

Choose ONE of the questions below and answer using the course literature. You need to use all three books and show that you have read them in full. PMs that do not include all three books will be automatically rejected. You may use other literature as a supplement, but only professional literature, such as scientific articles or academic books.
DEMOCRACY AND HUMAN RIGHTS
Human rights are sometimes portrayed as “the immune system of democracy”.• What does this mean?• What role does human rights play in a democratic society?• Can you give examples of how human rights are challenged today with reference to the power of the people? (explain very short)Use the book/article reference that you have used before in previous order.