tiêu hóa và hấp thụ
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Tiêu hóa là quá trình biến đổi thức ăn từ những dạng phức tạp thành những phân tử đơn giản xảy ra trong ống tiêu hóa của động vật. nhưng phân tử này có thể được hấp thụ.
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Nội dung Text: tiêu hóa và hấp thụ
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