�>щOa human brain, a cluster of microorganisms, a fragment of a surgical implant, an insect's exoskeleton, a segment of a computer`chip, a fungal hyphae, a section of a bone, a tiny robotic device, a network of blood vessels, a collection Of nerve endings, a miniature aircraft, a microscopic parasite, an embryonic cell cluster, a microscopiC machine parp, a�biological filtgr system, a synthetic membrane, a swarm of microorganisms, a segment of a DNA helix, a tiny mechanical limb, a patchwork of skin tissue, a fragment of a medical implant, an array of photoreceptors, a microscopic robotic component, a section of an orfan's parenchyma, a cluster of synthetic neurons