Which of the following acts as a physical barrier to prevent the entry of microorganisms into our body?

  • A
    Skin
  • B
    Mucus membrane
  • C
    Saliva
  • D
    Both $(A)$ and $(B)$

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Similar Questions

In acquired immunity,the secondary immune response is highly intense because...

Which of the following is a characteristic feature of acquired immunity?

$A$: Live attenuated vaccine is better in terms of immunity provided to the recipient.
$R$: As secondary lymphoid organs,example $Peyer's$ patches are stimulated to protect the individual.

Acid in the stomach,saliva in the mouth,and tears from the eyes all prevent microbial growth. These belong to which of the following barriers?

Explain Acquired immunity.

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