The organism that not found in newborn mouth.. Streptococcus mutans

publisher :NIL NAM -June 23, 2017

The organism that not found in newborn mouth?
A. Streptococcus mutans***
B. Streptococcus salivarius
C. E-coli
D. Skin bacteria.

Reasons for not mixing the semen and urine in the urethra: The muscles behind the bladder prevent the urine from coming out during semen