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irina1246 [14]
3 years ago
6

Wich part of the immune system is physical barrier Skin TEARS MUCUS Stomach Acid

Health
2 answers:
lyudmila [28]3 years ago
4 0
The physical barrier of the immune system is your body tissue and skin.
zimovet [89]3 years ago
4 0
The answer is skin.
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