respiratory cycle (pulmonary ventilation process): inspiration, expiration and rest

essay must have 3 paragraphs each one of them must be dedicated 3 diferent phases of respiratory cycle (pulmonary ventilation process):1st paragraph inspiration, 2nd paragraph expiration and 3rd paragraph rest. Please describe respiratory cycle (pulmonary ventilation process) In your essay describe 3 phases: inspiration, expiration and rest For each phase include (where applicable): Muscle activity, ribs, movement of anatomical structures (including pleurae), changes in volumes, pressures and pressure gradients, direction of the air flow, volume of air. Please make sure that the answers are complete and address all of the above variables.