Which of the following happens in the first phase of the body's immune response?
A) Helper T cells identify the enemy and rush to the spleen and lymph nodes.
B) Natural killer T cells kill cells of the body that have been invaded.
C) The immune system recognizes the foreign substance or invader.
D) Phagocytes eat both antibody and invader.
C
Explanation: A) This happens in the second phase.
B) This happens in the second phase.
C) Correct.
D) This happens in the third phase.
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