2425 Sexual reproduction - BS3

After today you can...
- explain how sperm cells and egg cells are formed
- describe the menstrual cycle

Concepts: 
Sperm cells, epididymides, seminal vesicles, prostate gland, semen, egg cells, ovulation, endometrium, embryo, menstruation, menstruation cycle, menopause, sanitary pads, menstruation underwear, tampon, menstrual cup.

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Slide 1: Slide
BiologieMiddelbare schoolvwoLeerjaar 3

This lesson contains 50 slides, with interactive quizzes and text slides.

Items in this lesson

After today you can...
- explain how sperm cells and egg cells are formed
- describe the menstrual cycle

Concepts: 
Sperm cells, epididymides, seminal vesicles, prostate gland, semen, egg cells, ovulation, endometrium, embryo, menstruation, menstruation cycle, menopause, sanitary pads, menstruation underwear, tampon, menstrual cup.

Slide 1 - Slide

Fill in the gaps
During puberty teenagers experience both [1] and [2] changes. Sex hormones are responsible for these changes. Sex hormones are made by the [3], this gland is part of the brain. The hormones transport from the brain with the [4] as transport system.
In females the hormone named [5] is produced by the pituitary gland. In males [6] is produced. By intersex persons both [6] and [7] is produced.
Examples of secundary sex charasteristics are [8], [9], [10]

Slide 2 - Open question

Male reproductive organ + cells
  • Route of sperm cells:
    testis -> epididymis -> sperm duct -> urethra 
  • Seminal vesicle and prostate add fluid  

Slide 3 - Slide

Female reproduction organ + cells
  • Each month an eggs ripe in the ovary
  • A ripe egg enters the fallopian tube = ovulation
  • An egg cell meets a sperm cell in the fallopian tube = fertilization 

Slide 4 - Slide

Period

Slide 5 - Slide

Menstruation
Loss of endometrium (baarmoederslijmvlies) and blood trough the vagina 
NO EGGS

Slide 6 - Slide

fact
fake
Girls carry all egg cells since birth in their ovaries
all healthy women have a menstrual cycle
the menstruation blood contains an egg cell 
the length of the menstrual cycle differs per individual
the average age for the first menstruation is 14 years

Slide 7 - Drag question

Menstrual cycle
1. Menstruation
2. Follicle phase (eggs cell ripen) 
3. Ovulation
4. Luteal phase (build up of endometrium)

Slide 8 - Slide

Phase 1: Menstruation
Loss of endometrium (baarmoederslijmvlies) and blood trough the vagina 
NO EGG CELLS

Slide 9 - Slide

Phase 2: Follicle phase
  • Phase 2: Follicle phase (day 6-12)
  • A new egg cell develops in the ovary
  • Egg cell is surrounded by a follicle 
  • Start grow endometrium 

Slide 10 - Slide

Phase 3: ovulation
  • 1 or 2 egg cell(s) is/are released from the follicle 
  •  The egg cell is released and send down the fallopian tube
  • Egg cell survives 24 hours 

Slide 11 - Slide

Phase 4: luteal phase
  • The body prepares for pregnancy
  • Endometrium (uterus lining) grows to make a "nest" for the fertilized egg
  • No fertilization? Menstruation starts again

Slide 12 - Slide

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 13 - Quiz

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 14 - Quiz

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 15 - Quiz

On which day in the cycle does ovulation occur?
A
Day 1
B
Day 14
C
Day 20
D
Day 28

Slide 16 - Quiz

What is shed during the menstruation of a female?
A
The ovaries
B
The egg cell
C
The uterus lining
D
Nothing

Slide 17 - Quiz

The cycle is for everyone the same. It is always 28 days.
A
True
B
False

Slide 18 - Quiz

Abnormal periods
  • Need to change your tampon etc every two hour or more? 
  • Too much pain to go to school or to play sports 
  • Pain that every month increase
  • Go to your GP!
  • More information:
  • https://ongewoonongesteld.nl/ 

Slide 19 - Slide

Menstruation products

Slide 20 - Slide

After today you can...
- explain how sperm cells and egg cells are formed
- describe the menstrual cycle

Concepts: 
Sperm cells, epididymides, seminal vesicles, prostate gland, semen, egg cells, ovulation, endometrium, embryo, menstruation, menstruation cycle, menopause, sanitary pads, menstruation underwear, tampon, menstrual cup.

Slide 21 - Slide

Homework

Slide 22 - Slide

Welcome!
  • Throwback basic 3 
  • Instruction basic 4
  • First time sex 
  • sex quiz

Slide 23 - Slide

Remember this
In pairs: 
write down what happen at the four different phases of the menstrual cycle

Slide 24 - Slide

After today you can...
- name the characteristics of sperm cells and egg cells.
- describe the fertilization of a human egg cell.

WARNING: NOT ALL LEARNING GOALS OF BASIC 4 ARE INCLUDED 
Concepts: 
Sperm cell ,egg cell, erection, sexual intercourse (vaginal), fertilization, fertile period, 

Slide 25 - Slide

Egg cell vs sperm cell 
  • Egg cell is the largest cell of the body
  • Egg cell contains food reserves
  • Both egg cell and serm cell contains  genetic material

Slide 26 - Slide

Fertilization
  • During fertilization, the nuclei of a male sex cell and a female sex cell fuse together. This happens in the fallopian tube.

Slide 27 - Slide

Fertile window
  • Egg cell is alive for 24 hours
  • Sperm cells are alive for 5 days 
  • Fertile window is the time that a women is fertile and is around six days  

Slide 28 - Slide

Sexual aroused 
  • a feeling of turned on. 
  • This includes physical and mental changes:
  • Being anticipated and curious, an erection, producing cervical fluid

Slide 29 - Slide

Slide 30 - Slide

Penis in flaccid state

Slide 31 - Slide

Penis in erect state 

Slide 32 - Slide

Vulva's 

Slide 33 - Slide

Erection of the clitoris

Slide 34 - Slide

Orgasm 
  • the height or peak of sexual arousal when the body releases sexual tension and pressure
  • By male a release of the semen

Slide 35 - Slide

Ejaculation
  • After stimulation of the glans penis 
  • 100 - 400 mjn sperm cells 
  • head and flagellum

Slide 36 - Slide

Mind the gap

Slide 37 - Slide

Sex is not only vaginal intercourse

Slide 38 - Slide

Eerste keer feiten over NL jongeren (tot 25 jaar) 
  • 16,4 eerste keer tongzoen
  •  18 eerste keer masturbatie 
  • 18,6 eerste keer orale seks

  • Invloed social media en porno

Slide 39 - Slide

Eerste keer gemeenschap
  • Niet het beginpunt
  • Voorspel
  • Consent kan veranderen
  • Het is een vaardigheid, oefening baart kunst
  • Hoort leuk te zijn, zonder pijn

Slide 40 - Slide

Quiz  - Sex and consent

Slide 41 - Slide

What are reasons to have sexual intercourse?

Slide 42 - Open question

What are the different types of sex?

Slide 43 - Open question

Which type of sex is most common in humans?
A
Vaginal sex
B
Anal sex
C
Oral sex
D
Masturbation

Slide 44 - Quiz

Which % of young men (15-25) have masturbated during the last month?
A
57%
B
64%
C
84%
D
92%

Slide 45 - Quiz

Which % of young women (15-25) masturbated during the last month?
A
25%
B
45%
C
65%
D
80%

Slide 46 - Quiz

What is the world record for the number of orgasms in an hour?
A
4x
B
9x
C
16x
D
21x

Slide 47 - Quiz

What is the world record for the number of orgasms in an hour for women?
A
35x
B
57x
C
88x
D
135x

Slide 48 - Quiz

What is the name for someone who was born in the body of a woman, but (feels and) expresses themselves as a man?
A
Cisgender man
B
Cisgender woman
C
Transgender man
D
Transgender woman

Slide 49 - Quiz

Why is it illegal for a 19-year old coach to have a relationship with a 16-year old pupil?
A
Difference in age
B
Difference in gender
C
Difference in life experience
D
Difference in power

Slide 50 - Quiz