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Roman55 [17]
2 years ago
13

Name two strategies of human body defence system​

Biology
1 answer:
marshall27 [118]2 years ago
7 0

Answer:

You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. The skin, nails and hair form the integumentary system, which stops dirt and pathogens from entering the body.

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