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Explore the intertwining of the respiratory, circulatory, and digestive systems at the alveoli and villi, understanding how essential molecules like oxygen, carbon dioxide, and glucose pass through these systems to fuel cellular respiration. Learn how this process provides cells with energy for proper function.
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Warm-up: Connecting Systems • Which two human systems are connected at the alveoli, and which important molecules pass in/out of the alveoli? The respiratory and circulatory systems are connected here, where oxygen (coming in) diffuses into the capillaries and carbon dioxide (going out) diffuses into the lungs. • Which two human systems are connected at the villi, and which important molecules pass in/out of the villi? The digestive and circulatory systems are connected here, where glucose diffuses into the capillaries. 3. Once these molecules (from questions 1 & 2) arrive in your cells, what process happens? What do your cells gain from this process that allows them to function? Cellular Respiration. The cells gain Energy from this process.