
ALAT EKSKRESI MANUSIA
Presentation
•
Science
•
8th Grade
•
Hard
Sudarni Sudarni
Used 2+ times
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8 Slides • 0 Questions
1
By Sudarni Sudarni
2
Ginjal
Hati
Paru-paru
Kulit
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Bagian korteks (kulit ginjal), medulla (sumsum ginjal), dan pelvis (rongga ginjal ).
Pada bagian korteks terdapat unit penyaring darah yang disebut nefron
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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 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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Radang ginjal
Batu ginjal
Gagal ginjal
8
By Sudarni Sudarni
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