The function of the digestive tract and the related organs, the longevity of the heart, the formation and function of nerves and of blood vessels, the cleansing of the blood through the kidneys, the complexity of the inner and middle ear, the sense of taste and smell, and so many other things we barely understand—each one is a marvel and beyond man’s ability to duplicate.
Kazi ya njia ya usiagaji wa chakula tumboni na viungoo vinvyo husiana, maisha marefu ya moyo, malezi na kazi ya neva na mishipa ya damu, utakaso wa damu kwa njia ya figo, utata wa sikio la ndani na katikati, hisia ya ladha na harufu, na mambo mengine mengi ambayo ni ngumu sisi kuelewa - kila moja ni jambo la kushangaza na zaidi ya uwezo wa mwanadamu kuchapisha.