What does testosterone cause to happen in men?


Approximately how often is an egg released from the ovaries in a female and what is this process called?


The release of which hormone stimulates the release of an egg from the ovaries?


Which hormones are involved in the maintenance of the uterus lining?


Inhibits FSH production so no eggs mature

How do oral contraceptives containing hormones prevent pregnancy?


How does an injection, implant or skin patch containing slow-release progesterone prevent pregnancy?


How do barrier methods, such as condoms and diaphragms, prevent pregnancy?


Prevents the implantation of an embryo AND/OR release hormones

How do intrauterine devices prevent pregnancy?


How do spermicidal agents prevent pregnancy?


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Biology

Gcse biology paper 2 

Get your free GCSE Biology Paper 2 revision guide PDF! Learn all AQA and Edexcel topics with easy notes, past papers, and study materials. Find out what topics are in Biology Paper 1 and Paper 2 with foundation and higher levels. Perfect for your exam questions and answers!

GCSE Biology Paper 2 Revision Guide PDF - Free Notes & Past Papers

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