Biology, asked by aastha272004, 8 months ago

First line of defence is also known as __?​

Answers

Answered by snehil2803
4

Answer:

External Defence

Hope the answer helps you!!

Answered by himanshuchundawat
2

Answer:

innate immunity

Explanation:

Innate immunity: the first line of defence. The very first line of defence against any invasion of the human body is a set of physical barriers between the inside of the body and the outer world

hope it's helpful .

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