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You are required to explain the following systems:
1. Label & explain the role of the structures of the respiratory system:
Nose, nasal cavity, mucous membranes, nasopharynx, unfurnished, epiglottis, larynx, trachea, lungs, bronchi, bronchioles, alveoli, pleural membrane, intercostal muscles, diaphragm muscle, pulmonary circulation, brain (pons varolii, medulla oblongata), chemoreceptors.
2. Explain the Lung functions: Ventilation, inspiration, expiration, respiration, gaseous exchange.
3. Explain the process of Gaseous exchange: Internal respiration, external respiration, blood supply, transport, diffusion of oxygen and carbon dioxide.