★ Homeostasis, Nutrition, Digestion & Absorption Quiz
Fingerlike extensions of the small intestine that increase the surface area for absorption
A. bronchi
B. alvioli
C. villi
D. chyme
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When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
A. Positive Feedback Response
B. Negative Feedback Loop
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