Unit 4: Reproduction B3

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

Planning for today

• Quick recap last class
  
• Basic 3: Male reproductive system
• 
  

PRIMARY SEXUAL CHARACTERISTICS

SECONDARY SEXUAL CHARACTERISTICS

a penis

a vagina

a beard

breasts

Learning goals

• You know the parts of the male reproductive system and how it works
  
• You know what hormones are
  
•  You know what happens during an erection and ejaculation

Take 3 min to answer these for yourself

1. On what levels do you change when you hit puberty?

2. What are sexual characteristics?

3. Name 2 primary sexual characteristics

4. Name 3 secondary sexual characteristics of the male

Why do men have a penis?

ejaculation

A single ejaculation contains 100 to 400 million sperm cells.

A spermcell has a tail called flagellum, this helps it move.

Ejaculation gives a man an orgasm/climax

Hormones 

Hormones play an important role in the making of sex cells.

Hormones are substances that control many processes.

During puberty the pituitary glad starts to process certain hormones.

MALE PARTS

FEMALE PARTS

BOTH

URETHRA

VAGINA

PENIS

BLADDER

LABIA

GLANS

TESTICLES

UTERUS

OVARIES

CLITORIS

SCROTUM

PROSTATE

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

Testes 

Sperm duct 

Epididymis 

Bladder 

Erectile tissue 

Prostate 

Urethra 

Homework

Basic 3: 1, 2, 3, 5, 6, 7, 8