Digestive System
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Problem
- Densely packed
- Impermeable Digestive Tract
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Nutrients
- Absorbed into circulatory system
- Breaks down nutrients into sugar and such into the circulatory system
- Cardiovascular System sends it where it needs to
What It's Made Of?
- Epithelial Tissue
- Protects the tubing in the digestive system from the enzymes breaking itself down.
- Goblet cells
- Secrete mucus that ensures that all material slides smoothly.