Ventilation techniques fluctuate broadly across the animal kingdom, tailored to varied environments and physiological needs. Fish employ gills for gas exchange in water, which incorporates substantially fewer oxygen than air. H2o flows around gill filaments in one direction even though blood flows in the alternative path throughout the lamellae, slim https://ventilation-ductwork34567.slypage.com/38063560/5-simple-statements-about-ventilation-explained