The reproduction function.

Firstly, listen and read!
 Learn the facts about sexual health with articles about puberty, menstruation, infections, and everything you wanted to know, for boys and girls:

 http://kidshealth.org/teen/sexual_health/#cat20129

Then, revise, play this game about puberty and take a test:
http://www.bbc.co.uk/bitesize/ks3/science/organisms_behaviour_health/reproduction/revision/1/
Don't forget to send your results!

And visit this interactive site:
http://www.bbc.co.uk/science/humanbody/body/interactives/lifecycle/teenagers/

Hormones in the menstrual cycle:

http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/human/hormonesrev3.shtml

Finally, watch this film and answer the question list:

                                                       INSIDE THE LIVING BODY.
National Geographic Channel takes you beneath your skin to reveal how our bodies evolve from birth to old age, and the amazing biological systems we need to thrive...

WORKSHEET: Inside the Living Body

Birth of baby

1.  Where are the alveoli and how do they work?

2.  What are the benefits of breast milk?

1 month old

3.  How are smells detected?

4.  Where are the smallest bones in the body?

5.  Describe a baby’s vision at 1 month old.

6.  If our eyes see upside down, why do we see right side up?

7.  When do baby’s finally have 20/20 vision?

2 Years

8.  How many words do 2-year-olds learn each day?

5 Years

9.  How do thoughts work?

10.  How does the brain learn?

9 Years

11.  How do we recall memories?

11 Years

12.  What part of the brain controls puberty?

21 Years

13.  Why do we look and feel better in our 20’s than any other time in our lives?

14.  How often do our tissues regenerate?

15.  How much hair do we grow every year?

16.  How does exercise help condition the heart and lungs?

45 Years

17.  How much dust have we created by 45 years old?

18.  What chemical in our body degrades and causes wrinkles?

19.  How do our eyes change when we age?

20.  Why do we gain weight as we get older?

50 years

21.  What happens when we are stressed?

22.  What is a stroke?

23.  What happens during menopause?

70 Years

24.  How much does our brain shrink by 70?

25.  How does our hearing decrease?

26.  What happens every time our cells divide?

27.  What is the last sense to go when we die?

28.  How long does it take for our skin cells and brain cells to die?

Don't forget to send your results!