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

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7.Human Health and Disease

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

A

Skin, saliva in the mouth

B

Macrophage, acid in the stomach

C

Respiratory tract, $PMNL$

D

Urinogenital tract, $PMNL$

Solution

Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Standard 12

Biology

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