Ключевые слова: 3d, activity, anatomy, animal, aspiration, beginnings, biology, birth, cell, competition, conjugation, couples, coupling, egg, female, fertilisation, fertility, fertilization, fetus, genetic, human, leader, leadership, life, love, macho, magnification, male, medicine, micro, new, organism, ovulation, ovule, pairing, parent, penetration, persistence, pregnancy, sex, sexual, small, sperm, spermatozoon, swimming,