Physical barrier = .............. and physiological barrier = .............

  • A

    Skin, saliva in the mouth

  • B

    Macrophage, acid in the stomach

  • C

    Respiratory tract, $PMNL$

  • D

    Urinogenital tract, $PMNL$

Similar Questions

Which of the following will be included under innate immunity?

Definitions / Explanation : Active immunity & Passive immunity
 

Which of the following cells are associated with immune system of body

Which of the following is not an autoimmune disease?

  • [NEET 2018]

The antibodies are

  • [AIPMT 1999]