GESTATION
[...] not sure
[...] fertilisation [...]
Occurs and determinate
The sperms with the [...] organ
As it passes down the oval duct
They are introduced into the female
By the penis which is placed in the vagina
Contact with the walls of the vagina
Stimulates the sensory endings in the penis.
It sets of a reflex action that results
In the semen being ejaculated into
The vagina.
This event is the climax of copulation
The sperms [...] into the vagina
Swim through the cells into the uterus
[interlude]
The fertilisation of humans
Takes place probably within 12 to
24 hours of copulation since the [...]
Is so to survive for only this period
Of time and the sperms being probably only
For 2 to 4 days in the [genital organs]
Of the female.
[interlude]
As the embryo begins to form
Finger-like organs processes
Grow from it into the utery
Digesting the [...] these finger-like organs do not form part
Of the embryo but later,
Contributes to the special organ
Forming the placenta which supplies
The embryo with both food and oxygen.
[interlude]
The embryo's cells
Divide to form tissues,
The tissues swell, form, extend,
And so form organs of the body
By the end of 5 weeks the heart and
The circulatory system are formed
The heart is beating and
Circulating the blood
But the embryo is still only
About 10 mm long.
After 2 months the limbs and
The main organ system
Have been laid down
And the embryo is now referred to
As a foetus.
The average birth weight of a baby is about 3 kg
The average birth weight of a baby is about 3 kg
The average birth weight of a baby is about 3 kg
The average birth weight of a baby is about 3 kg