growing cells in a living animal or human

animal biological biology cell cells cellular dark divide division doctor growing human life light medical medicine micro microscope microscopical move movement procreation red rose round science scientist small soft structure structured texture textured bacterium unit corpuscle follicle microorganism spore organism smallest utricle vacuole cellule haematid environmental natural bioscience living study bodily zoological zoology fauna mammalian earthly earthy wild fleshy muscular physical sensual nature mortal anthropoid hominid anthropological anthropomorphic bipedal civilized creatural ethnologic ethological fallible