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Defenses such as your skin respiratory system, digestive and circulatory system

1. First Line
2. Allergy
3.T cell

User ClubbedAce
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2 Answers

4 votes
3. T cell
Is the answer.
User Lorenzozane
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1 vote

Answer:

T cell

Step-by-step explanation:

User Zbigniewcebula
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