Part 1: Respiratory System Describe how air passes into the lungs

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Part 1: Respiratory System

Describe how air passes into the lungs. What structures does it pass through? Describe the anatomy and how those structures contribute to the system. Where does gas exchange occur? Make sure you mention all of the structures that air passes through, beginning at the nose and ending in the alveoli.

Part 2: Blood Flow Through the Heart

Describe the flow of blood through the heart and name each of the chambers and vessels that the blood circulates through. Make sure to discuss the structures in the order in which blood flows through them. Don't forget to also mention the valves that the blood flows through. Include a discussion of the systemic and pulmonary circulations.