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SISTEM SIRKULASI PADA MANUSIA







                       a.  Apa penyebab penyakit stroke dapat terjadi ?


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                       b.  Bagaimanakah upaya pencegahan agar terhindar dari penyakit stroke ?


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                   4.  Pada  hari  sabtu,  seluruh  siswa  SMA  Bintang  Lima  melakukan  perjalanan
                       study  tour  mengunjungi  tempat  wisata.  Perjalanan  yang  ditempuh  oleh

                       rombongan siswa tersebut adalah memakan waktu 10 jam. Setelah sampai
                       dilokasi  tujuan,  beberapa  siswa  mengalami  pembengkakan  pada  kaki  nya
                       namun tidak sakit saat ditekan.


                       a.  Jelaskanlah mengapa beberpa kaki siswa mengalami pembengkakan ?


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                       b.  Apa nama kelainan yang diderita oleh beberapa siswa tersebut ?


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