These bronchi more divide into smaller and scaled-down tubes identified as bronchioles. The bronchioles finally bring about small air sacs known as alveoli, where by the particular gas Trade happens. Though diffusion is the primary mechanism for gas movement in the tracheoles, bigger insects might use abdominal muscle contractions to https://ventilation-installation69012.ambien-blog.com/44135163/the-single-best-strategy-to-use-for-ventilation-ductwork