Hormone
|
Source
|
Role
|
Effects
|
Testosterone
|
Testes
|
Main male sex hormone
|
Promotes male secondary characteristics
|
Progesterone
|
Ovaries
|
Supports pregnancy
|
Maintains lining of uterus
|
Oestrogen
|
Ovaries
|
Main female sex hormone
|
Controls the menstrual cycle and promotes female secondary sexual characteristics
|
blog covering the spec for edexcel igcse biology :) use hyperlinked syllabus points to help you revise!!
Sunday, September 8, 2019
2.94 understand the sources, roles and effects of the following hormones: testosterone, progesterone and oestrogen
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