(a) What is the life support system of a fetus?
(b) How long does a human baby take to develop before birth?
(c) What is the name of the narrow opening between the uterus and the vagina.

(a) Placenta is the life support system of a fetus (as it helps to exchange the oxygen, nutrients and waste materials between mother and fetus).

(b) A human baby takes 9 months to develop before birth.

(c) Cervix is the name of the narrow opening between the uterus and the vagina.

Tutorialspoint

Updated on: 21-Mar-2023

6 Views

Kickstart Your Career

Get certified by completing the course

Get Started