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Câu hỏi:

22/07/2024 194

What happens to the windpipe, or trachea, before it reaches the lungs?

A. It branches in two directions

B. It branches in three directions

Đáp án chính xác

C. It vibrates and creates sounds

D. It closes up so that no oxygen can escape

Trả lời:

verified Giải bởi Vietjack

Chọn B

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