7. EKSKRESI

EKSKRESI
adalah proses pengeluaran zat sisa metabolisme, agar tidak meracuni tubuh
Organ ekskresi pada manusia :
– Paru-paru –> CO2 dan uap air
– Ginjal –> Urine
– Kulit –> Keringat
– Hati –> Empedu
Alat ekskresi pada tumbuhan :
– stomata, terletak di daun
– lentisel, terletak di batang


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