KIKI gopin media

Human Reproduction

    Hello my friends, do you know where we come from? We have can't here because our parents. Father's sperm and we have our mothers have ova. Then, what is the sperm and ova?
    Sperm or spermatogenesis occurred after a man going through puberty. Spermatogenesis and then will occur regularly and continuously for life man. In the testes, spermatogenesis occurs in the seminiferous tubules. On the wall of the seminiferous tubules has occurred candidates thousands of sperm. Sperm which will mature into the epididymis. Every process of spermatogenesis takes 65-75 days.
    Oogenesis or ova, or more familiar with the egg cell occurs in the ovary. In the ovary has been available candidates egg cell that formed since the baby is born. At puberty, the primary oocyte meiotic division to produce secondary oocyte and first polar body.
    With the convergence of the egg and sperm or fertilization will form zigot.zigot will grow into an embryo in the uterus from fertilization until our place at birth. When human pregnancy the average range 266 days or 38 weeks.
Thus we can find out where we came from.

by : RIZKI ANDRIANI (27/XIIA3)