Sperm Bank

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Publicado por thicknhard80
há 15 anos
Transcrição do Vídeo

この製紙研究プラントでは、日々様々な製紙に関する研究が行われている。

そのグラフはどういったことを表しているグラフなんですか?

精子濃度って、精器の中に含まれる精子の数の割合を表したものですよね。

数字2ミリリットルの中に生死が約2000万匹以上いるというのが通常ですよね。

確かそれ、イギリスの遺伝子学の研科医グラント博士が90年代に学会で発表した学説に基づいたグラフですよね。

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hjfr há 1 ano
... but how bad is the quality!
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tittenmonsterjasmina
w o w.....
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irramac
irramac há 9 anos
so and so.
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Ahardone4u1965 há 12 anos
i wish we had these kinda sperm banks in chicago, where the nurse strokes it for you while all the other nurses watches. wow
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Ahardone4u1965 há 12 anos
wow where is this sperm bank at i sure would like to get stroked off by these nurses while other nurses are looking.. wow.
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