59
Question
The protective mechanical barriers which provide immunity include
The protective mechanical barriers which provide immunity include
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Solution
The correct options are
A Hair
B Mucus
C Skin
The protective mechanical barriers are the primary defences of the local defence system and prevent entry of germs in our body. They include skin, hair, mucus etc. WBC is a part of local defense systems but they aren't mechanical barriers, they kill the germs chemically.
A
Hair
B
Mucus
C
Skin
The protective mechanical barriers are the primary defences of the local defence system and prevent entry of germs in our body. They include skin, hair, mucus etc. WBC is a part of local defense systems but they aren't mechanical barriers, they kill the germs chemically.
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