Hemoglobin ia̍h haemoglobin, sī chi̍t-khóan ū chham thih, ē-sái ūn-sàng sng-sò͘ ê tàn-pe̍k-chit. Hemoglobin tī chek-chui tōng-bu̍t ê âng-hoeh-kiû lāi-bīn ū chûn-chāi. Jîn-lūi ê hemoglobin ū 4-ê subunit, 2-ê α subunit kap 2-ê β subunit, jî-chhiáⁿ ū 4-ê heme hú-ki (prosthetic group).

Jîn-lūi ê hemoglobin kiat-kò͘ model, âng-sek sī α subunit, nâ-sek sī β subunit, le̍k-sek sī heme.