ID 214885849 © Yur4you | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
baby biology blastocyst body cell colour concept conception egg ejaculation embryo embryology female fertile fertility fertilization fertilize fertilized genetic health human illustration insemination life male medical medicine micro microscope microscopic natural new nucleus oocyte orgasm ovulation ovule ovum penetration pregnancy procreation reproduction reproductive research science semen sex sperm spermatozoid spermatozoon tail win winner