V3 Unit 4 -BS3

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

Learning goals

-  be able to state the parts of the female reproductive organs with their functions and characteristics

- be able to list the different characteristics of sperm cells and egg cells

- t be able to explain what happens during ovulation and fertilization

Female reproductive system

Clitoris consists of is sensitive to stimuli
only the clitoris glans is visible and is covered by the clitoral hood

You have inner and outer labia
The wall of the inner labia contains mucous glands

Clitoris facts

• 3x as sensitive as the head of the penis
• Only organ just for pleasure
•  Scientists 'discovered' DNA before (in 1954) than the clitoris (in 1998)
• More than 200 million girls have undergone clitoral circumcision.

www.dkfindout.com

Uterus

Fallopian tube

ovary

Urinary bladder

Urethra

Vagina

Ovulation

• Every 4 weeks. 

•Ovaries alternate 

• Egg cell transported by cilia in tube. 

• Egg cell lives 24 hours.

sperm cells

egg cells

very small

relatively large

cannot move

contain stored food

can move

do not have stored food

usually one ovum per 4 weeks

millions per ejaculation

Fertilization - when sperm cell enters egg cell

Where in the female’s body does fertilisation take place?

1. uterus
2. fallopian tubes
3. ovary
4. vagina

Ovulation

Fertilization

Cell division

Implantation

Internal male reproductive system

1.  Testes: Makes the sperm cells
2. Scrotum: Protects testes and has a lower temperature, which is good for sperm cell production. 
3. Epididymis: Temporary storage for sperm cells.
4. Sperm duct: Transports the sperm cells.

worktime

11.3

Paragraphs of chapter 5

1. Reproduction and hormones
2. The male reproductive system
3. The female reproductive system
4. The menstrual cycle
5. Human fertilisation
6. Pregnancy
7. Childbirth
8. Birth control
9. Sexually transmitted infections