Ключевые слова: 3d, biological, biology, cell, cells, drawing, egg, enter, female, fertility, fertilization, fertilize, gamete, gametes, genetics, group, horizontal, life, male, medicine, membrane, microbiology, microscopic, oocyte, ovulation, ovum, pregnancy, procreation, rendering, reproduction, research, science, semen, sexuality, spermatozoa, swim, zygote,