Which of the following is known as second line of defense

Options :
  1. WBC
  2. lungs
  3. liver
  4. all the above

Answer and Explanation :-

Answer: Option 1


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He broke me down past the flesh, past the muscle, past the bone, down to my soul and in a loud provocation, he asked, "What are you made of?"After I gathered the broken bits and pieces of my life together, I shouted at the top of my lungs, "HOPE! Unbreakable, undeniable, irrevocable hope!
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