
ALAT EKSKRESI MANUSIA
Presentation
•
Science
•
8th Grade
•
Hard
Sudarni Sudarni
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8 Slides • 0 Questions
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ALAT EKSKRESI MANUSIA
By Sudarni Sudarni
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Ginjal
Hati
Paru-paru
Kulit
ALAT EKSKRESI MANUSIA
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Ginjal mempunyai struktur yang terdiri atas :
Bagian korteks (kulit ginjal), medulla (sumsum ginjal), dan pelvis (rongga ginjal ).
Pada bagian korteks terdapat unit penyaring darah yang disebut nefron
STRUKTUR GINJAL
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FUNGSI GINJAL
Ginjal mempunyai fungsi sebagai berikut :
Menyaring darah dan membuang limbah
Mengatur keseimbangan air
Mengatur sel darah merah
Menjaga tekanan darah dan kadar garam
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PROSES PEMBENTUKAN URIN
Proses pembentukan urin terdiri atas :
Tahap Filtrasi/Penyaringan; terjadi di bagian glomerulus dan menghasilkan urin primer
Tahap Reabsorpsi/Penyerapan kembali; terjadi di Tubulus kontortus proksimal dan menghasilkan urin sekunder
Tahap Augmentasi; terjadi di Tubulus kontortus distal dan menghasilkan urin yang sesungguhnya
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NEFRON
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Radang ginjal
Batu ginjal
Gagal ginjal
ContohPenyakit/Gangguan/Kelaianan pada Organ Ginjal
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SEKIAN DAN TERIMA KASIH
ALAT EKSKRESI MANUSIA
By Sudarni Sudarni
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