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Question

Choose the correct match:

A
First line defence - Fever
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B
Second line defence - CMI
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C
Third line defence - AMI
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D
Fourth line defence - pH of vagina
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Solution

The correct options are
A First line defence - Fever
C Third line defence - AMI
The first line of defence It includes the physical and chemical barriers, that defend the body from infection. e.g. tears, mucus, cilia, stomach acid, fever.
The second line of defence It is a group of cells, tissues and organs that work together to defend the body from infections. It mainly occurs through macrophages, neutrophils, interferons.
Third line of defence It occurs through the specific immune system. e.g. B- cells (antibodies) and T- cells
Fourth line of defence There are only three line defence in the human body
So, the correct answer is 'Option 'First line defence - Fever' and 'Third line defence - AMI'.'

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