Yttrium has no known biological role, though it is found in most, if not all, organisms and tends to concentrate in the liver, kidney, spleen, lungs, and bones of humans.
Yttrium tidak diktahui memiliki peran biologis, meskipun ditemukan di sebagian besar (tidak semua) organisme dan cenderung terkonsentrasi di liver, ginjal, limpa, paru-paru, dan tulang manusia.