During fertilization, the nuclei of a male sex cell and a female sex cell fuse together. This happens in the fallopian tube.
Slide 5 - Tekstslide
When one egg cell is fertilized with two sperm cells, the woman will have twins
A
True
B
False
Slide 6 - Quizvraag
When two egg cells ripen and are fertilised, the woman will have identical twins
A
True
B
False
Slide 7 - Quizvraag
When one egg cell ripens and becomes fertilised, there still is a chance on identical twins
A
True
B
False
Slide 8 - Quizvraag
Slide 9 - Tekstslide
Assume a 28-day cycle. On which days can the woman become pregnant, when the egg cell is ripe 24 hours and sperm cells are alive for 5 days? Explain your answer.
Slide 10 - Open vraag
Fertile window
Egg cell is alive for 24 hours
Sperm cells live up to 5 days
Fertile window is the time that a women is fertile and is around six days
Slide 11 - Tekstslide
Sexual aroused
A feeling of being turned on
This includes physical and mental changes
Being curious
For men: an erection
For women: producing cervical fluid
Slide 12 - Tekstslide
Slide 13 - Tekstslide
Penis in flaccid state
Slide 14 - Tekstslide
Penis in erect state
Slide 15 - Tekstslide
Vulva's
Slide 16 - Tekstslide
Erection of the clitoris
Slide 17 - Tekstslide
At what age (on average) do adolescents in The Netherlands have their first french kiss?
A
10 years
B
12 years
C
14 years
D
16 years
Slide 18 - Quizvraag
At what age (on average) do boys in The Netherlands masturbate for the first time?
A
11 years
B
12 years
C
13 years
D
14 years
Slide 19 - Quizvraag
At what age (on average) do girls in The Netherlands masturbate for the first time?
A
11 years
B
12 years
C
13 years
D
14 years
Slide 20 - Quizvraag
At what age (on average) do adolescents in The Netherlands have their first penis-in-vagina sex?