Biology, asked by rrnairsa24911, 1 year ago

Which one of the following acts as a physiological barrier to the entry of micro-organisms in human body ?
(a) Epithelium of urogenital tract
(b) Tears
(c) Monocytes
(d) Skin

pertedespoir: The answer is B
mimanshar: (B) is the correct answer. Tear is a physiological element which protect outer layer of the eyes from the invasion of micro organism.

Answers

Answered by ankit8366
1
D will be the answer
ankit8366: ok
ankit8366: what will be the answer
Answered by Anonymous
5
Which one of the following acts as a physiological barrier to the entry of micro-organisms in human body ?
(a) Epithelium of urogenital tract
(b) Tears
(c) Monocytes
(d) Skin

Answer: B) Tears
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