chapter 3.1 human excretion revised 2010
TRANSCRIPT
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BAB 3 PERKUMUHAN MANUSIA
Objektif pembelajaran :
1. Apakah perkumuhan
2. Apakah organ perkumuhan manusia
3. Hasil perkumuhan dari setiap organ
4. Kepentingan perkumuhan
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Perkumuhan
a. Perkumuhan ialah proses mengeluarkan bahan buangan dari tubuh
b. Bahan buangan ini dihasilkan dari proses kimia badan.
c. Bahan ini adalah beracun dan sangat merbahaya jika terkumpul dgn banyak dlm badan.
d. 3 organ perkumuhan manusia ialah :
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ORGAN PERKUMUHAN MANUSIA
Buah Pinggang
Paru-paru
Kulit
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Human Excretory Organ
Lungs / Paru-paru
Kidney /
Buah Pinggang
Kulit
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ORGANPERKUMUHAN
DIAGRAM
Kulit
Paru-paru
Buah pinggang( ginjal )
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Nama : liang peluhFungsi : mengeluarkan peluh
Kulit sebagai Organ Perkumuhan
Nama : Duktus peluhFungsi : menyalurkan peluh dari kelenjar
Nama : Kelenjar peluhFungsi : menyerap air dr kapilari dan menghasilkan peluh
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Proses Penghasilan Peluh
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Persamaan perkataan untuk respirasi :
Glukos Oksigen Tenaga Karbon dioksida
Air+++
Paru-paru sebagai organ perkumuhan
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1. Terhasil semasa respirasi sel
2. Diangkut oleh darah merah
3. Dibebaskan di paru-paru
Bagaimanakah karbon dioksida dihasilkan
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Buah Pinggang Sebagai Organ Perkumuhan
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Sistem Perkumuhan adalah penting untuk menjaga kesihatan kita seperti :– Penyingkiran bahan toksik boleh mengelakan dari keracunan– Penyingkiran garam mineral berlebihan boleh mengawal
kandungan garam dalam darah– Penyingkiran air boleh mengawal suhu badan– Penyingkiran karbon dioksida boleh mengawal pH atau
keasidan darah
Kepentingan Perkumuhan
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ORGAN PERKUMUHAN
Kulit Buah pinggangParu-paru
Proses
Perpeluhan Pernafasan Urinary ( kencing )
Hasil perkumuhan
Air
Garam mineral
Urea
Karbon dioksida
Wap air
AirGaram mineralUrea
PERKUMUHAN
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SISTEM URINARY MANUSIA
Buah PinggangMenapis bahan buanganDan air berlebihan dariDarah menjadi air kencing
UreterMenyalurkan urine dariBuah pinggang kePundi kencing
Pundi kencingMenyimpan urine Sebelum dikeluarkan Dari badan
UrethraMenyalurkan urine keluar Dari badan
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Fungsi Buah Pinggang
1. Menapis darah
4. Mengekalkan pH darah
2. mengeluarkan bahan buangan spt urea, garam mineral dan air berlebihan
3. Mengawal tekanan darah
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Struktur Buah Pinggang
Nama : Cortex
Nama : Medulla
Nama : PelvisFungsi : mengumpul air kencing
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Organ Perkumuhan Dan Hasil Perkumuhan
Karbon dioksidaWap air
UreaAir
Asid uridGaram
Bahan buangan bernitrogen
UreaAir
Garam
Organ
Hasil
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Organ Perkumuhan Dan Hasil Perkumuhan
Organ Nama Hasil perkumuhan
Prosesterlibat
Kulit AirUreaGaram mineral
Perpeluhan
Buah Pinggang
AirUreaGaram mineralAsid urid
Kencing ( urine )
Paru-paru Karbon dioksidaAir
Respirasi
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Kepentingan menjaga buah
pinggang yg sihat
Mengekalkan peredaran darah yg bersih dan sihat Mengelakkan tekanan darah tinggi
Mengekalkan keseimbangan air dan garam dalam badan
Mengekalkan tulang yg sihat dan kuat
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Kerosakan buah pinggang
Boleh disebabkan oleh:
1. Kecederaan fizikal
2. Penyakit spt diabetes
3. Keracunan spt keracunan plumbum
Boleh dirawat dengan cara:1. Dialysis
2. Pemindahan buah pinggang
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Rawatan Dialysis
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Mesin Dialisis
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Kesan kerosakan buah pinggang
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exercise
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KEPENTINGAN PERKUMUHAN
1. Mengeluarkan bahan toksid spt karbon dioksida dan urea
2. Mengawal pH kulit
3. Menyejukkan badan bila peluh menyejat
4. Mengelakkan pemgumpulan bakteria pd kulit
5. Mengawal keseimbangan garam dan air dalam darah
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Conclusion
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