5 Questions
What is the function of the amniotic fluid?
The amniotic fluid protects the embryo from physical damage by jerks and mechanical shocks.
Define parturition.
The full term of the development of an embryo in the uterus.
How are fraternal twins formed?
Two eggs are released from the ovaries at a time and both may get fertilised, resulting in the birth of fraternal twins.
Explain the process of the newborn's arrival.
At the time of birth, the baby is pushed out by contractions of the muscles of the uterus. After some time, the umbilical cord shrinks and can be tied and cut. After about 15 minutes, the placenta breaks from the uterus and is expelled out after birth. The newborn announces its arrival with a sharp cry.
What is the difference between identical twins and fraternal twins?
Identical twins result from a single fertilised egg splitting during the early stages of cell division, while fraternal twins result from two eggs being released from the ovaries at a time and both getting fertilised.
Test your knowledge on the development of embryos in the uterus and the process of parturition. Learn about the formation and function of the amniotic sac and the duration of gestation in humans.
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