Digestive System
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FUNGSI
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FUNGSI
KANDUNG EMPEDU
1. Sebagai persediaan getah empedu.2. membuat getah empedu menjadi kental.
3. Hasil sekresi getah empedu yang digunakan
untuk mencerna lemak.
GETAH EMPEDU
Adalah suatu cairan yang disekresi setiap hari
oleh sel hati yang dihasilkan setiap hari 500-
1000 cc,sekresinya berjalan terus
menerus,jumlah produksi meningkat sewaktu
mencerna lemak.
PANKREAS
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PANKREAS
Adalah sekumpulan kelenjar yang
struktunya sangat mirip dengan kelenjar ludah panjangnya kira-kira 15
cm,lebarnya 5 cm mulai dari duodenum
sampai ke limpa dan beratnya rata-rata60-90 gr.
Bagian dari pankreas•Kepala Pankreas.
•Badan Pankreas.
•Ekor Pankreas.
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FUNGSI PANKREASFUNGSI PANKREAS• Fungsi eksokrin.
Membentuk getah pankreas yang berisi enzim dan elektrolit.
• Fungsi endokrin.
Membentuk organ endokrin yang mensekresikan insulin.
• Fungsi sekresi eksternal.
Untuk proses pencernaan makanandiintestinum.
• Fungsi sekresi internal.
Untuk membantu metabolisme karbohidrat .
H il S k i P k
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Hasil Sekresi Pankreas
•Hormon Insulin
•Getah Pankreas
SRUKTUR PANKREASMerupakan kumpulan kelenjar yang
masing-masing mempunyai saluran,salurandari masing-masing kelenjar bersatumenjadi duktus yang jari-jarinya 3mm,duktus ini disebut duktus pankreatikus.
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FISIOLOGI SISTEM
PENCERNAANF ungsi utama sistem pencernaan a/
memindahkan zat nutrien (zat yg sudah
dicerna),air & garam yg berasal dari zat
makanan kelingkungan dlm u/
didistribusikan ke sel-sel melalui sistem
sirkulasi. Pembuangan sisa/sampah
tubuh hanya merupakan fungsi kecil dari sistem pencernaan yang berlangsung
melalui paru-paru,ginjal dan keringat
melalui kulit.
Hal yang dibutuhkan dalamHal yang dibutuhkan dalam
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Hal yang dibutuhkan dalamHal yang dibutuhkan dalam
pencernaan yang optimal:pencernaan yang optimal:
• Pergerakan makanan melalui saluran pencernaan.
• Sekresi getah pencernaan.
• Absorbsi hasil pencernaan air dan elektrolit.• Sirkulasi darah melalui organ-organ gas
transtestinal yang membawa zat yang di
absorbsi.• Pengaturan semua fungsi oleh sistem saraf
dan hormon.
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SEKIAN
