Unit 4: Reproduction B4

Planning
  • Quick recap last class
  • Basic 4: Menstruation


1 / 15
next
Slide 1: Slide
BiologieMiddelbare schoolvwoLeerjaar 3

This lesson contains 15 slides, with interactive quiz, text slides and 2 videos.

Items in this lesson

Planning
  • Quick recap last class
  • Basic 4: Menstruation


Slide 1 - Slide

Learning goals
  • You know what menstruation is 
  • You can explain what happens during the menstrual cycle
  •  You know what woman use during menstruation to stay hygienic.


Slide 2 - Slide

Slide 3 - Slide

Menstruation
When an egg is not fertilised, part of the uterus lining detaches. This is menstruation.

Average age for girls to start their menstruation is 13.

Slide 4 - Slide

Slide 5 - Video

The menstrual cycle
  • After the menstruation the uterus linings starts to grow thicker again and have more blood vessels.

  •  Ovulation start +- around 14 days after the start of the last menstruation.

  • Next menstruation starts about 28 days after the start of the last one.

Slide 6 - Slide

Egg cells survive for 1 day,
Sperm cells about 2 to 3 days in the uterus.

What days are the fertile period
(vruchtbare periode) for the woman?

Slide 7 - Open question

most used menstruation products

Slide 8 - Slide

Tampons
Tampons are inserted into the vagina. 
They soak up the blood and mucus. 
Should be exchanged every 3 to 4 hours. 

Slide 9 - Slide

pads
Pads are available in all kinds of shapes and sizes. 
The go into the woman's underwear and soak up any blood and mucus. 

Slide 10 - Slide

Organicup
The organicup catches and blood and mucus. The picture shows how to insert it. 

You can empty and wash it every few hours.

Slide 11 - Slide

These kind of underwear are still quite new

They catch the blood. You can wear them up to 8 hours and then wash them.

Slide 12 - Slide

Slide 13 - Video

Misconceptions
 Try to find as many misconceptions about the male and female reproductive systems/sex/menstruation.

 We will discuss them in about 10 minutes.

Slide 14 - Slide

Homework
4.4 Exercise: 13 and 14

Done?
Check if you made the follow exercises:
B1: 1, 2, 3 and 4.
B2: 5, 6,7
B3: 9,10,11,12

Slide 15 - Slide