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Sex Hormones

Exampls include [[testosterone, [[oestrogen and [[progesterone, these sex hormones are responsible for the development of secondary sex characteristics (facial hair etc) and promote development of the reproductive organs to produce offspring.

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Gender divison in two opposites is greatest mistake of manki

... you have observed in old people is simply the result of the loss of the sexual hormones. People are not turning into the opposite sex. They are simply growing more similar ...

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by animartco
Sun Jul 06, 2014 2:48 pm
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 25
Views: 17837

reproductive sytem

... both urine and semen. For the last bit I'd go with thinking about which sex hormones have a significant effect elsewhere - think about oestrogen and testosterone, which ...

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by Babybel56
Fri Feb 28, 2014 8:49 am
Forum: Molecular Biology
Topic: reproductive sytem
Replies: 1
Views: 2572

Bone remodelling

... regulators include parathyroid hormone (PTH), calcitriol, and other hormones such as growth hormone, glucocorticoids, thyroid hormones, and sex hormones. Factors such as insulin-like growth factors (IGFs), prostaglandins, tumor growth ...

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by matrix23
Tue Aug 02, 2011 9:08 am
Forum: Physiology
Topic: Bone remodelling
Replies: 11
Views: 33550

Re: mastrubation leads to face pimples or facial skin diseases?

... way of protecting you. Especially in adolescence. There are so many hormones and changes happening, you need something that is effective to protect you. In adolescence we are driven to have sex, all day and night. Now what happens if you have a clear complexion. You may ...

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by bizz4ethix
Sat Jan 01, 2011 3:48 pm
Forum: Human Biology
Topic: mastrubation leads to face pimples or facial skin diseases?
Replies: 9
Views: 12613


... you guys are really understanding my point. I'm not really asking how sexual reproduction originated or how it actually works. Rather I am interested ... time other mechanisms evolve to produce sex-linked expression of genes. Hormones are the main mechanism, afaik, so genes can be expressed differently ...

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by Riddles
Mon Jun 21, 2010 11:31 am
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 32491
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