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Pola  makanan  yang  tidak  teratur  dapat  menyebabkan  berbagai  macam
            penyakit pada sistem pencernaan. Contohnya sakit maag, gastritis, ataupun GERD.
            Apasajakah  organ  pencernaan  yang  mengalami  gangguan?  Bagaimanakah
            proses pencernaan makanan di dalm tubuh? Dan bagaimana jika organ tersebut
            mengalami gangguan? Yuk kita investigasi bersama!











               1. RONGGA MULUT
               1. RONGGA MULUT





















                                                Gambar 2.36 . Struktur Mulut
                                                  Sumber : Mescher, 2018
               a. Berdasarkan gambar di atas, di dalam rongga mulut terdapat bibir gigi
               dan lidah. Bagaimanakah fungsi lidah dalam sistem pencernaan?

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               b.  Secara  umum,  gigi  terdiri  dari  3  bagian,  yaitu  mahkota  (korona),  leher
               (serviks),  dan  akar  (radiks).  Mahkota  dilapisi  oleh  email,  dan  pada  bagian
               akar dilapisi oleh jaringan ikat mengapur disebut semen gigi. Apakah fungsi
               dari email dan semen gigi?

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                       Gambar 2.37. Struktur Gigi       ......................................................................................................
                    Sumber : https://rsgmtniau.com






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