Sperm Bank

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게시자: thicknhard80

영상 자막

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 1년 전

... but how bad is the quality!

리플

tittenmonsterjasmina 7년 전

w o w.....

irramac 9년 전

so and so.

Ahardone4u1965 12년 전

i wish we had these kinda sperm banks in chicago, where the nurse strokes it for you while all the other nurses watches. wow

wow where is this sperm bank at i sure would like to get stroked off by these nurses while other nurses are looking.. wow.

Sperm Bank

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