Herhaling 1,2,3

• Biologie
• Middelbare school
• vmbo lwoo, vwo
• Leerjaar 2

Welcome everyone 

 Think about...

• Take off your coat, hat/cap off.
• Mobile in the phone bag (on silent).
• Book (laptop) + notebook, pen on the table. Bag on the floor.
• Sit in your own place.
• You can eat and drink in the canteen.
• 5 minutes.

Schedule 

• welcome 
• look back at basic 1,2 and 3
• finish assignments + test your self + drawing of te 2 systems. 
• Making 4.7 about contraceptives 
• next week formative test, week after real test.

primary sexual characteristics

The sexual characteristics that are already present at birth are known as the primary sexual characteristics. 

• Boy: the penis and scrotum.

• Girl: vulva (labia, clitoris and vaginal opening).

secondary sexual characteristics.

The sexual characteristics that appear in puberty are called the secondary sexual characteristics.  

woman: has a more rounded body shape, the woman’s breasts have grown and the hips have become broader.

man: more muscular build than the boy, his beard and chest hair have started to grow, his voice has also become lower Both men and women get pubic hair during puberty. 

Menstruation/ having a period 

Endometrium

Menstruation cycle 

Making assignments 

• Check if you made the assignments for basic 1,2,3 
• make a drawing of the female and male reproductive system 
• do the test yourself/flashcards 

4.7 contraceptives

Learning goals: 

• You can name  ways of preventing pregnancy and STD

CONTRACEPTIVES

• Contraceptives literally means "to stop conception", which means to stop fertilisation.
•  Nowadays contraceptives can also be used to stop the spread of diseases.

Contraceptives

Unsafe: coitus interruptus and calendar rhythm method

Condom	Prevents sperm cells to enter. Protects against STI's.
Pill	Contains estrogen and progesterone which prevent ovulation and maturing of egg cells.
Contraceptive patch and implant	Release hormones that prevent ovulation.
Copper or hormonal coil (IUD or IUS)	Decreases fertility of sperm cells and prevents implantation.
Sterilisation	Permanently blocking sperm ducts or fallopiian tubes (surgical procedure).

BARRIER METHOD

This create a physical wall between the sperm cells and egg cells, this sometimes also protects against STD's.

• Male condoms 
• Female condoms 
• Diaphragms 
• Cervical caps 

CHEMICAL METHOD

Chemical methods of birth control use artificial hormones or chemicals to regulate or stop ovulation and prevent pregnancy

• Contraceptive sponge 
• Spermacides
• The Pill
• Contraceptive patch
• Injectable birth control
• Implantable rod

Intrauterine methods

An IUD is a small, T-shaped device that is inserted into the uterus to prevent pregnancy. (5 years)

 

• A copper IUD 
• A hormone IUD

NATURAL METHODS

With natural methods people choose to use no artificial methods (plastic, chemicals or implants) to control possible pregnancies, they use there brains & calendars.

• Coitus interruptus
• Rhythm method
• Abstinence

STERILIZATION

Sterilization is a permanent form of birth control that either prevents a woman from getting pregnant or prevents a man from releasing sperm.

• Sterilization implant
• Tubal ligation
• Vasectomy

1. Gonorrhoea

2. Hepatitis

3. Syphilis

4. Chlamydia

5. Crabs

6. Human Papilloma Virus

7. Bacterial Vaginosis

8. Herpes

9. Trichomoniasis 

10. HIV 

STD's

SEXUAL TRANSMITTED DISEASES

Chapter 4:

• Read pages basic 7 in your book.
• Take some quick notes as you are reading.

• 4 minutes of silence and 4 minutes of wispering.

• Make assignment 1 and 2
• Look back to see if you're done with basic 1 until 3 

HOMEWORK Next lesson

Make sure you've finished basic 1,2,3 and 7 of unit 4 

learn for the formative test