3A 4.2 Puberty

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 3

Hieronder zie je een schematische tekening van het voortplantingsstelsel van de vrouw. 

Sleep de naam van het onderdeel naar de juiste plek.

Vagina

Urineblaas

Urinebuis

Eileider

Baarmoeder

Eierstok

Uitwendige geslachtsorganen vrouw

Buitenste schaamlippen

Binnenste schaamlippen

Vagina opening

Clitoriseikel

Plasbuis opening

Anus

Gevoelig voor prikkels.
Hier vindt de ontwikkeling van eicellen plaats.
Hier vindt de ontwikkeling van het ongeboren kind plaats.
Hier komt het sperma bij de geslachtsgemeenschap.
Vervoeren van eicellen.
Vormen slijm waardoor de toegang tot de vagina gladder wordt.

Elk orgaan van het vrouwelijke voortplantingsstelsel heeft zijn eigen taak.

Kies bij elke taak het juiste orgaan.

eierstokken

binnenste schaamlippen

baarmoeder

clitoris

eileiders

vagina

Program

• Learning objectives
  
• Video hormones --> 1.5 min.
  
• Explanation basic material 2 --> Puberty
  
• Making assignments
  
• Closing --> checking learning objectives

Theme 4 reproduction

• 4.1 Genitals 
• 4.2 Puberty
  
• 4.3 Becoming fertile
  
• 4.4 Getting pregnant
  
• 4.5 Sexuality
  
• 4.6 Safe sex
  
• 4.7 More contraceptives
  
• 4.8 The birth

Learning objectives 4.2 

• You can explain what the function of hormones is
  
• You can describe the physical and mental changes during puberty

Hormones

• Hormones = substances that regulate the functioning of organs
• Flow through the bloodstream --> only work in places where the organ/tissue is sensitive to it.
• Produced in hormone glands

Pituitary gland

• Hormone gland
  
• produces hormones that ensure:
• - growth spurt
• - production of sperm cells /
  
• maturation of eggs
  
• - activates ovaries / testes to produce sex hormones -> secondary sexual characteristics

The beginning of puberty

Pituitary gland (hormone gland) activates the

sex organs --> make sex hormones

Testosterone = 

male  sex hormone

Oestrogen =

female sex hormone

What are sexual characteristics?

• Primary sexual characteristics are present from birth
  
• Secondary sexual characteristics are developed from puberty
  

You become fertile during puberty

Boy - sperm production starts

Girl - menstruation (egg maturation)

When are you a teenager?

The mental and physical changes that you go through during puberty are caused by hormones.

The pituitary gland is a hormone gland that produces hormones that regulate the functioning of the hormone glands in the testicles and ovaries. 

These produce the sex hormones estrogen and testosterone.

Testicles produce testosterone --> sperm cells

Ovaries produce estrogen --> egg cells

Emotional changes

• Social
  
• More independent
  
• Insecure
  
• Sexuality

Homework

Reading 4.2

Complete assignments 1 to 3 and 5 to 8

You can explain what the function of hormones is

You can describe the physical and mental changes during puberty

Klaar: puzzel laten maken

Leerdoelen 4.2 

• You can explain what the function of hormones is
  
• You can describe the physical and mental changes during puberty

What are hormones?

1. A certain type of blood cell
2. Substances that regulate processes in your body
3. Substances that act on hormone glands
4. Odorants that are excreted

What is the function of hormones?

1. Hormones provide nutrition to many hormone glands
2. Hormones ensure the production of oxygen
3. Hormones regulate the functioning of organs that are the target organ of this hormone
4. Hormones ensure rapid responses to certain stimuli

Blood contains hormones.
Which blood product contains the most hormones?

1. platelets
2. blood plasma
3. red blood cells
4. white blood cells

Sleep de onderstaande secundaire geslachtskenmerken naar het juiste vak (zie boven).

secundaire geslachtskenmerken

jongen

secundaire geslachtskenmerken

beiden

secundaire geslachtskenmerken

meisje

borsten

groeispurt

baard in de keel

bredere heupen

okselhaar

gespierdere lichaamsbouw

pubishaar

gezichtsbeharing

volgroeien vulvalippen

What is mental development?

1. The growth and weight of an organism
2. Changing your mind
3. When an organism learns new things
4. Change in the structure of an organism