Cerebral Cortex Layers

🍌The principle role of the small intestine is absorption of nutrients. For this to be carried out efficiently, there needs to be as much surface area crammed into this space as possible. This is one of many examples of the body throwing folds in a membrane to accomplish this very task. The small intestine has macroscopic folds, called plicae circularis. Furthermore, the membrane itself has fingerlike projections that extend out into the lumen of the tube. And deeper still, microvilli on the sur

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