yamiyami7777 yamiyami7777

14-02-2018
Biology

contestada

Mengapa paru paru dan jantung bekerja lebih kuat semasa berlari

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nickaida96p3kzvu nickaida96p3kzvu

14-02-2018

aktiviti menggunakan banyak oksigen. jadi paru2 n jantung kerja kuat untuk ganti oksigen yg digunakan

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