Biology, 22.07.2021 14:00, hntnhtthnyt

Diagram 16 below shows a cross section of an alveolus in the lung. Rajah 16 di bawah menunjukkan keratan rentas satu alveolus di dalam paru-paru.
Р
R
Q
Diagram16/ Rajah 16
Which of the following is correct about carbon dioxide concentration at P Q and R?
Manakah antara berikut yang benar tentang kepekatan karbon dioksida pada P.
Q dan R?

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Diagram 16 below shows a cross section of an alveolus in the lung. Rajah 16 di bawah menunjukkan ke...