September 2018 2 28 Report
Setelah melewati rambut2 halus di lubang hidung, di dalam rongga hidung udara mengalami proses....
A.penyaringan debu/kotoran
B.pertukaran oksigen dan Karbondioksida
C.penyesuaian kelembaban
D.pembasmian kuman
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