how are the alveoli designed to maximize the exchange of gases

The lungs contain millions of alveoli, which are thin-walled air sacs. These alveoli create an extensive surface area for gas exchange. The large surface area significantly enhances the efficiency of gas exchange. For instance, if all the alveoli from both human lungs were to be unfolded, they would cover approximately 80 square meters—roughly the size of a tennis court.   Video Courtesy : Biology Terms

vidyut flux ka si matrak

vidyut flux ka si matrak The SI unit of electric flux (विद्युत फ्लक्स) is “N C^(-1) m^2”. Electric flux is mathematically expressed as: ΦE=E⋅ΔS\Phi_E = E \cdot \Delta SΦE​=E⋅ΔS Where ΦE\Phi_EΦE​ is the electric flux, EEE is the electric field, and ΔS\Delta SΔS is the area through which the flux passes. Based on this relationship, the unit of electric flux is N·C^(-1)·m². This means that electric flux is measured in terms of newtons per coulomb per square meter.