Male: Facial hair, Hair on chest, Chest becomes broader, Testes stimulated to produce sperm, Penis becomes larger, Pituitary gland stimulates testes to produce testosterone, Female: Hips become broader, Vagina becomes larger, Breasts develop, Pituitary gland stimulates ovaries to produce oestrogen, Oestrogen begins cycle of egg production, Male & Female: Pituitary gland produces hormones that affect other endocrine glands, Hair develops under arms and in pubic region, Changes in behaviour, Individual become physically able to reproduce,

IGCSE Changes at puberty group sort

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