[LÒ£nh ���ạo tÒch cá»±c] [chuyên gia] [tại sao chÃÃâ%EF] [Anh Có Thể Giữ Bí Mật] [2019广州市高考一模试题c] [OP PWER] [陈伯语音包下载 filetype:pdf] [Hoàng hải Thá»§y Môi thắm ná»ÂÂa ÄÃ%C2] [tư duy tÃÂÂch cá»±c] [Brit was eating quickly in order to get to her next class. Though she began to choke when she tried to swallow a large bite of her sandwich, her _____ covered the trachea during swallowing so that the sandwich did not go into the lungs.Group of answer choicesgastroesophageal sphincterpyrol]