When we inhale, the air enters through thenasal cavity, traveling down via thepharynx,larynx, andtracheato enter the lungs via the two primary bronchi. Then it reaches the alveoli, the small air sacs in the lungs where the gas exchange occurs, through the bronchioles[43]. The one-cell thi...
詞語 pharynx (throat) 定義 pharyng/o 位置 詞語 larynx (voice box) 定義 laryng/o 位置 詞語 epiglottis 定義 A flap of tissue that seals off the windpipe and prevents food from entering. 位置 詞語 trachea (windpipe) 定義 trache/o 位置 詞語 right and left primary bronchi 定義 Dividing ...