Reproduction

Reproduction

1. puberty

   • changes to boys
     • voice deepens
     • penis and testes start to grow
     • shoulders develop
     • increase in size
     • spots
     • wetdreams
     • increased perspiration/sweat
     • pubic hairs
       • body hair
       • facial hair
   • changes to a girl
     • pubic hairs
     • hips widen
     • breasts enlarge
     • menstruation/period begins
     • increase in size
     • spots
     • increased perspiration/sweat

2. sexual intercorse

   • penis is inserted into the vagina
     • the sperms come out of the mans penuis
       • swims up through the cervix
         • and into the uterus
           • into the oviduct
             • where it finds the egg
               • and trys to break in
                 • once it breaks in fertilisation happens