Which one of the following serves as the birth canal?
Uterus
Cervix
Fallopian Tubes
Vagina
The cervix and the vagina have acidic environment which kill most of the sperms.
The cervix and the vagina have an acidic environment which kills most of the sperm.
Choose the odd one in each of the following :
(a) Sperm; implantation; fertilisation; ovum; afterbirth.
(b) Relaxin; cervix dilates; amniotic sac ruptures; child birth; follicle.