Respiratory System: exchanges gases between the body and the external environment, Lungs, Alveoli, Bronchi, Trachea, Nose and Mouth, Both Systems: capillaries - where gas exchange occurs, moves oxygen and carbon dioxide, Circulatory System: transports gases, nutrients, and wastes throughout the body, Heart, Arteries, Veins, pumps blood,

Respiratory v. Circulatory

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