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Puberty & The Reproductive Systems (Plant Reproductive System (Ovary,…
Puberty & The Reproductive Systems
Changes in Boys
Penis grows
Voice deepens
Voice cracks
Testes grow
Shoulders widen
Testes produce semen
Changes in Girls
Hips widen
Girls become fertile for pregnancy
Periods begin
Changes in Both
Hair becomes oily
Attraction to the opposite gender develops (or the same/both, if gay/lesbian/bi)
Hair grows in armpits, genital area, legs, arms, face
Menstrual Cycle
Menstruation (Lining of the uterus is released)
Lining of the uterus begins to rebuild
Lining of the uterus is finished and maintained for a few days
:
Lining Breaks off
Cycle Repeats
.
Foetal Development
Embryo attaches to uterus
Embryo grows into foetus
Foetus slowly grows over the course of 9 months
Foetus is born, and begins life
Male Reproductive System
Urethra
Sperm Duct
Scrotum
Foreskin
Testes
Glands
Penis
Female Reproductive System
Uterus
Fallopian Tube/Oviduct
Cervix
Ovary
Vagina
Plant Reproductive System
Ovary
Filament
Ovule
Stamen
Nectary
Anther
Sepal
Petal
Stigma
Plant Reproductive Cycle
Pollen is produced
Insect picks up pollen
Insect pollenates other plants while picking up pollen from them
Pollen enters the stigma
Wind blows away pollen
Pollen drops on other plants
Pollen enters the stigma
Pollen enters the ovary and fertilises the ovule
Cycle repeats
.