Anatomy and physiology, which study the structure and function of organisms and their parts respectively, make a natural pair of related disciplines, and are often studied together.
ɐnˈæɾəmi ænd fˌɪzɪˈɑːlədʒi, wˌɪtʃ stˈʌdi ðə stɹˈʌktʃɚ ænd fˈʌŋkʃən ʌv ˈɔːɹɡənˌɪzəmz ænd ðɛɹ pˈɑːɹts ɹᵻspˈɛktɪvli, mˌeɪk ɐ nˈætʃɚɹəl pˈɛɹ ʌv ɹᵻlˈeɪɾᵻd dˈɪsɪplˌɪnz, ænd ɑːɹ ˈɔfən stˈʌdid təɡˈɛðɚ.