Outside

We have explored the tiny things going on inside your body, but what’s happening on the outside? What can you see? In this area we will explore this in more detail:

Genes at work – growing up

T at work – muscles

T at work – skin

T at work – hair growth

T at work – sweating

T at work – voice changes

E at work – bones

E at work – breasts and bums

Periods

Genital changes

Erections and ejaculation