1. Reproduction

2. ANCESTORS AND DESCENDANTS
Ancestors: parents, grandparents, great-grandparents
Descendants: children, grandchildren, great-grandchildren

3. FAMILY TREE

4. REPRODUCTION
People have sexual reproduction – a male and a female have to come together to reproduce
Humans are viviparous – babies develop in their mother’s uterus (or a womb) until they are born

5. reproductive system
The reproductive system is the group of organs responsible for reproduction
The reproductive system is fully developed during adolescence

6. MALE Prostate gland Penis Testes INTERNAL ORGAN EXTERNAL ORGAN

7. female Uterus Ovaries Vagina Vulva INTERNAL ORGAN INTERNAL ORGAN
EXTERNAL ORGAN

8. PUBERTY AND ADOLESCENCE
Physical changes for women...
Breasts
A higher voice
More body hair
Wider hips

9. Physical changes for men...
A lower voice
More body hair
Develop an Adam’s apple

10. Pregnancy: All the changes that a woman experiences to
develop a baby inside her body.
Humans are viviparous: babies grow inside the mothers uterus

11. Stages of pregnancy: pregnancy lasts about 9
months.
A few weeks:
At the begining the baby is only a few millimetres long.
Three months:
The baby is about 10 cm long. Head, legs, arms, fingers
and heart are fully formed
Six months:
Baby is about 30 cm long and moves a lot.
Nine months:
Baby is about 50 cm long and is ready to be born

12. Health during pregnancy:
Obstetrician: doctors who specialize in pregnancy. They:
- Take care of pregnant women
- control development of baby
Ultrasound: special technique used to tae images of the baby while still inside the mother. It helps us:
- measure the baby
- observe it’s movements
- find out if it is a boy or girl

13. Doctors advise pregnant women to:
Healthy habits: pregnant women must take care of their health and have regular check-ups.
Doctors advise pregnant women to:
- have a varied diet ( fruist and vegetables)
- drink lots of water
- walk
- do light exercises and swim
- special exercises that prepare women for
childbirth.
- getting enough sleep and resting with their
feet up.

14. Birth: process through which a baby is born ( at about 9 months)
- baby leaves the mothers uterus through the vagina
- the muscles of the uterus contract and push the baby out.
- after birth the doctor cuts the umbilical cord and a new
life begins, the scar that remains becomes the navel.

15. Newborn baby care: Food: Babies drink their mothers milk or formula.
Communication: they cry, smile and use gestures
Hygiene: babies have soft skin and hair so they need special
soaps, shampoos and moisturizing cream.
Body: their head and navel need to be protected and taken
care of.