Answers

2015-06-03T21:28:05+08:00
Brainly.ph  › Senior High School  › Biology
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The main stem of the grapes represent the trachea , the smaller stems/branches represent the bronchi , the smallest stem/branches represent to bronchioles and the grapes represent to alveoli .
2015-06-04T20:28:39+08:00
The main stem - trachea  the two branching system- bronchi and the small branches-bronchoiles and the individual grapes-alveoli

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