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  • he wastes a lot of paper...

    honeylemondreams 1 month ago

  • Learning the structure of testicals can't be more entertaining than that =)

    101Floq 1 month ago

  • I don't understand, isn't it so that in the spermatogenesis, one of the two daughtercells continues to divide, while the other one develops to be a primairy spermatocyt? how come on your first drawing, there are four spermcells at the end of the division?

    yesinmsadek 2 months ago

  • So helpful, thanks alot.

    colejnsisyomama 2 months ago

  • Best teacher ever!!!!

    TheLou39 4 months ago

  • It helps alot. Thanks for Uploading !

    ivancharm 4 months ago

  • Fascinating.

    Vidoculer 8 months ago

  • Wow this guy has a brilliant way of teaching. Soooo helpfuuuuul!!!

    chickenwang4eva 9 months ago

  • Great Explanation

    rexoner2000 10 months ago

  • i was going through my subscribtions searching for some game gamepklay and then i saw this i just couldnt let this video pass because i would probably forget :D

    armandux1productions 1 year ago

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