Biology, asked by lakshmidevi2385, 9 months ago

The reflex of 'cough' will come under which line of defence
(A) 1st line of defense
(B) 2nd line of defense
(C) 3rd line of defense
(D) Both A and B​

Answers

Answered by atharvsingh01
1

Answer:

Cough &d sneeze reflex : 1st line of Defence......

Answered by sriya777777
0

Answer:

1st line of defense

Explanation:

Innate immunity involves barriers that keep harmful materials from entering your body. These barriers form the first line of defense in the immune response. Examples of innate immunity include: Cough reflex.

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