1. Broad -Large SA exposed to light.
2. Thin -Carbon dioxide and water travel short distance to get to chlorophyll.
3. Contain air spaces -Allows carbon dioxide and oxygen to move easily through cells. Large SA for gas exchange.
4. Contain chlorophyll -Found in chloroplasts in palisade layer, get the most light there.
5. Upper Epidermis -Transparent, light can easily get through to palisade layer.
6. Stomata - Let carbon dioxide and oxygen in and out. Water escapes.
7. Viens - Deliver water in and nutrients (glucose) out, help support structure.
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