A.Saliva
B.Intestine
C.Gland
D.Blood
Explanation: The correct answer is Saliva.
Submitted by: Academy of Pakistan
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Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan