Question

the lung is the main respiratory organ which perform another function,which is

A. coordination
B. secretion
C. exeretion
D. transmission
E. regulation

Answer 1

Immunoglobulin-A is secreted in the bronchial secretion and protects against respiratory infections.

Answer 2

So the answer should be ..................... ??

Answer 3

got it ?

Answer 4

i couldn't get it .. :(

Answer 5

Secretion

Answer 6

can you further explain how it is secrection??

Answer 7

\(\color{blue}{\text{Originally Posted by}}\) @Abhisar
Immunoglobulin-A is secreted in the bronchial secretion and protects against respiratory infections.
\(\color{blue}{\text{End of Quote}}\)

Answer 8

Still unclear ?

Answer 9

yup i also agree to secrection

Answer 10

okay thank you :)

Answer 11

to whom??