Puberty

Question 0

Days 6-13

Answer 0

Develops soft spongy lining (to feed and protect the fertilised egg)
Egg matures in ovary

Question 1

Days 1-5

Answer 1

Thick lining of womb breaks down
Blood flows out through the vagina plus unfertilised egg
New egg begins to ripen in ovary

Question 2

Day 14

Answer 2

Ovulation

Question 3

Days 15-28

Answer 3

Egg slowly passes down the oviduct or Fallopian tube
If it meets a sperm it will be fertilised usually does not and dies in a few days
LCycle begins again.

Question 4

Why is the lining thick and spongy and contain lots of blood vessels

Answer 4

To protect embryo and give embryo nutrients

Question 5

What is maturation of the egg

Answer 5

When an egg ripens in the ovary before ovulation

Question 6

What does the embryo do instead of eating and breathing

Answer 6

Absorbs food and oxygen from blood vessels in the uterus wall the placenta

Question 7

The placenta (3)

Answer 7

It’s an organ
Joins the embryo to its mother
Embryo and mothers blood vessels pass very close together but blood does not mix

Question 8

What’s does embryo develop inside

Answer 8

Bag of amniotic fluid- protects from damage, keeps warm and moist

Question 9

Birth

Answer 9

Muscles start to contract (labour)
Opens cervix 
Contractions push baby down
Bag of fluid bursts
Fluid comes out
Baby pushed out
Umbilical cord cut
20 mins after birth placenta

Question 10

What are secondary sexual characteristics

Answer 10

The physical changes you develop using puberty