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Human hormones GapFill
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Hormones play a vital role in the coordination of the body systems. Tissues that produce hormones are called , and these are distributed across the body.
The main sex hormone in females is . Along with progesterone, it plays a role in maintaining the lining of the during the cycle, which repeats every approximately days.
Human fertility can be controlled through the use of contraception. Methods of contraception include using artificial
to prevent the maturation or release of an egg, or the use of
methods to prevent
coming into contact with an egg. Surgical cutting methods can also be used, restricting the movement of the egg to the uterus or sperm from the testicles.