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Card 36

Front

The gap in the lower jaw of herbivores between the canines and premolars through which the cheeks contribute to mechanical digestion

Back

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Card 37

Front

A stage in the cardiac cycle where the heart muscle relaxes

Back

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Card 38

Front

The breakdown of large, insoluble food molecules into small, soluble molecules that can be absorbed by the body

Back

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Card 39

Front

Blood passes through the heart twice in its circuit around the body

Back

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Card 40

Front

Elimination of undigested waste products not made by the body

Back

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Card 41

Front

A single layer of cells around the pericycle and vascular tissue of the root, each cell having an impermeable waterproof barrier in its cell wall

Back

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Card 42

Front

The movement of gases between an organism and its environment

Back

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Card 43

Front

An organism makes its own complex organic molecules by photosynthesis or chemosynthesis

Back

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Card 44

Front

An organism that consumes ready-made complex organic matter

Back

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Card 45

Front

An organism that feeds on dead and decaying matter by extracellular digestion and absorption of the products of digestion

Back

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