Zuciyar Dan Adam

An zana hoton zuciya mai girman rai a cikakkiyar launi, madaidaiciya ta jiki kuma ana sanya farashi sosai a ƙasa da kowane samfurin zuciya na wannan ƙimar. An rarraba zuciya zuwa sassa 4 don haka ana iya nunawa da tattaunawa akan dukkan ayyukan tsarin ciki da waje. Katin koyarwa mai launi duralbe fll mai launuka wanda yake gano dukkanin manyan sifofin jikin mutum na ciki da na waje an sanya su kuma ya zama ingantaccen taimakon koyarwa.