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Unit 4 bs 4: the menstrual cycle
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Slide 1:
Tekstslide
Biologie
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vwo
Leerjaar 1
In deze les zitten
22 slides
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Lesduur is:
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Slide 1 - Tekstslide
Reproduction
bs 4: The menstrual cycle
Slide 2 - Tekstslide
Learning goals bs. 4
You can explain what is happening during the 4 phases of the menstrual cycle
Slide 3 - Tekstslide
What is menstruation?
Release of uterus lining and blood from the uterus through the vagina
Start around age 12
Slide 4 - Tekstslide
How does it happen?
Hormones estrogen en progesterone build up uterus lining
Fertilized egg could attach to this
No fertilized egg? --> Lining is shed
cylce: it happens over and over again (450 times in a life time)
Slide 5 - Tekstslide
Slide 6 - Video
4 Phases
Phase 1 (day 1-5) :
menstruation
Uterus lining is shed through the vagina (no fertilized egg)
Phase 2 (day 6-12):
repair phase
uterus lining build new layer of mucus
new egg cell develops in the ovary
Slide 7 - Tekstslide
4 Phases
Phase 3:
Ovulation
(day 13-15)
A new ova is released and send down the oviduct
Phase 4:
Receptive phase
(day 16 - 28)
Uterus lining grows to form a 'nest' for the egg cell
No fertilized egg cell? --> cycle starts again!
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Tampon
Inlegkruisje
Menstruatie cup
Herbruikbaar ondergoed
Menstruatie spons
Slide 10 - Sleepvraag
What determines the beginning of the menstruation cycle?
A
Release of blood through the vagina
B
The release of the egg cell from the ovaries
C
The growing of the uterus lining
D
The cycle can start anytime
Slide 11 - Quizvraag
In which part of the female reproductive system do the ova (egg cells) develop?
A
Fallopian tube/Oviduct
B
Ovaries
C
Uterus
D
Vagina
Slide 12 - Quizvraag
In which part of the female reproductive system does the fertilised egg cell grow into a baby?
A
Fallopian tube/Oviduct
B
Ovaries
C
Uterus
D
Vagina
Slide 13 - Quizvraag
On which day in the cycle does ovulation occur?
A
Day 1
B
Day 14
C
Day 20
D
Day 28
Slide 14 - Quizvraag
What is shed during the menstruation of a female?
A
The ovaries
B
The egg cell
C
The uterus lining
D
Nothing
Slide 15 - Quizvraag
The cycle is for everyone the same. It is always 28 days.
A
True
B
False
Slide 16 - Quizvraag
How long does an released egg cell survive?
A
15 days
B
4 days
C
about an hour
D
1-2 days
Slide 17 - Quizvraag
How do we call the release of an egg cell into the oviduct?
A
Fertilization
B
Ovulation
C
Pregnancy
D
Contraceptive
Slide 18 - Quizvraag
Some girls can can be effected for more then 7 days
A
true
B
False
Slide 19 - Quizvraag
abdominal cramps are cause by:
A
The uterus lining that releases
B
Ovulation
C
muscles around the uterus
D
Hormones that cumulate (ophopen)
Slide 20 - Quizvraag
Any questions?
Slide 21 - Open vraag
Huiswerk
Huiswerk voor de volgende les is:
Basis 4.2 geheel af
Klaar? Maak dan je huiswerk van afgelopen lessen af.
Deze week biologisch klaar
Volgende week begin met uitleg over seks
Slide 22 - Tekstslide
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