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BiologieMiddelbare schoolhavo, vwoLeerjaar 2
Cette leçon contient 32 diapositives, avec quiz interactifs, diapositives de texte et 5 vidéos.
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Slide 1 - Diapositive
BIOLOGY
YEAR 2
LESSON 4
Slide 2 - Diapositive
QUESTIONS ABOUT HOMEWORK/ LAST WEEK?
Slide 3 - Question ouverte
Where do the ova mature and get ready to be fertilised?
A
in the uterus
B
in the vagina
C
in the oviducts
D
in the ovaries
Slide 4 - Quiz
Where does the embryo develop during pregnancy?
A
in the uterus
B
in the vagina
C
in the oviducts
D
in the ovaries
Slide 5 - Quiz
Where does the ova mostly get fertilised?
A
in the uterus
B
in the vagina
C
in the oviducts
D
in the ovaries
Slide 6 - Quiz
Where does the penis fit in during intercourse (sex)?
A
in the uterus
B
in the vagina
C
in the oviducts
D
in the ovaries
Slide 7 - Quiz
Where are sperm cells produced?
A
in the penis
B
in the testicles
C
in the prostate
D
in the glans
Slide 8 - Quiz
Where is a man's urethra?
A
in the penis
B
in the testicles
C
in the prostate
D
in the glans
Slide 9 - Quiz
Where are liquids produced that are added to the semen?
A
in the penis
B
in the testicles
C
in the prostate
D
in the glans
Slide 10 - Quiz
Where is the most sensitive point of the male reproductive system?
A
in the penis
B
in the testicles
C
in the prostate
D
in the glans
Slide 11 - Quiz
TODAY
What are primary and secondary sexual characteristics
The phases of the menstrual cycle
The stages of pregnancy and birth
Slide 12 - Diapositive
PRIMARY SEXUAL CHARACTERISTICS
Example?
Sex organs a person is born with
Slide 13 - Diapositive
SECONDARY SEXUAL CHARACTERISTICS
Sex characteristics appearing at:
sexual maturity in animals
Other examples of animals?
Slide 14 - Diapositive
Slide 15 - Vidéo
Name an example of a secondary characteristic in one of the birds
Slide 16 - Question ouverte
SECONDARY SEXUAL CHARACTERISTICS
Sex characteristics appearing at:
puberty in humans
Examples of changes during puberty?
MALES
Testostorone causes:
growth of tesicles and penis
incease size of muscles, vocal chords (deepening the voice)
speeds up growth of facial and body hair
Larger bodies
sweat
FEMALES
Estrogen causes:
growth of breasts
speeds up growth of body hair (pubic area and underarm)
widening hips
ovulation and menstruation
sweat
Slide 17 - Diapositive
Primary sexual characteristics
Secondary sexual characteristics
Penis
Breasts
Change in voice
Bigger libia
Vagina
Broader hips
Testicle
Muscle growth
Beardgrow
Slide 18 - Question de remorquage
Booklet 6 Ch. 2 Sections 4 & 5:
Read pages 20-23 of your I-Book.
Take some quick notes as you are reading.
Discuss the notes you have taken in your groups.
4 minutes of silence and 2 minutes of talking.
!!!! INSIDE VOICES AND ENGLISH PLEASE !!!!
timer
6:00
Key Questions
Look at the key questions on I-Book page 17, can you answer them?
Slide 19 - Diapositive
Slide 20 - Vidéo
What is the menstrual cycle for?
Slide 21 - Carte mentale
MENSTRUAL CYLE
Phase 1 (days 1-5)
Uterus lining lets go of the uterus and comes out through the vagina with blood.
The ''nest was not used and is removed by the woman's body to replace it.
Phase 2 ( days 6-12)
Uterus is building a net layer of mucus (lining) the ovaries start ripening and getting ready to release a new ovum
Phase 3 ( days 13-15)
A new ova is released and set to move down the oviducts
Phase 4 ( days 16-28)
The ova move down the oviduct towards the uterus ready for fertilization. the lining of the uterus continues to grow and thicken to form the ''nest'' for the fertilized ova.
Slide 22 - Diapositive
Slide 23 - Vidéo
FERTILIZATION & PREGNANCY
Ova + sperm = zygote
Zygote copies = embryo
Embryo mitosis or meiosis?
Embryo in uterus = PREGNANT!
Slide 24 - Diapositive
Slide 25 - Diapositive
Slide 26 - Vidéo
Slide 27 - Diapositive
IVF in vitro fertilisation:
Egg cells are removed from the woman.
Spermcells are injected under a microscope.
The zygote is left to divide into an embryo.
The embryo's are placed back into the uterus.
Slide 28 - Diapositive
Miscarriage / Abortion:
With a miscarriage the pregnancy is ended because the baby dies or the woman's body can't handle the pregnancy.
With an abortion the woman chooses to end the pregnancy. (12 weeks or 20 weeks).
Slide 29 - Diapositive
Slide 30 - Vidéo
Homework for lesson 5
Complete and hand in the hw for lesson 5 before class please:
- Complete the hw for lesson 5 to at least level 2 please.
- Make sure you have 100% on Flashcards, Learn & Match on the Glossary on Quizlet.
Slide 31 - Diapositive
Please be honest, what did you think of this lesson?