puberty & menstrual cycle

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Ellie

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what happens at puberty?
at puberty, your body starts releasing sex hormones that trigger off secondary sexual characteristics (eg facial hair, or breasts in women)
what is oestrogen? 
the main female reproductive hormone produced in the ovary. at puberty eggs begin to mature and one is released approximately every 28 days. (ovulation)
what is testosterone? 
its the main male reproductive hormone produced by the testes and it stimulates sperm production
FSH 
causes maturation of an egg in the ovary
LH (luteinising hormone)  
stimulates the release of the egg
oestrogen and progesterone  
involved in maintaining the uterus lining
where is fsh produced?
pituarity gland
where is LH produced?
pituarity gland

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puberty & menstrual cycle

Cards (8)

Puberty, menstrual cycle and controlling fertility

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5.3.5 The Menstrual Cycle

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7.2.3 The Water Cycle

7.2.2 The Carbon Cycle

1.6.3 The Lime Cycle

4.1.2 The Carbon Cycle

Topic 9: Ecosystems and Material Cycles

1.2.2 Mitosis and the Cell Cycle

10.7 Utilizing Past Papers and Mark Schemes

GCSE Biology

AP Biology

5.1.2 Light-Independent Reactions (Calvin Cycle)

9.2.2 Nitrogen Cycle

6.3 Poverty