Matching Pairs photosynthesisOnline version learn about photosynthesis by Alba Monfort Torralba 1 Raw saps transforms into 2 The leaves absorb 3 Elaborated sap travels to all parts of the plant through 4 Raw saps travels up the stem to the leaves through tubes called 5 The leaves contain a green substance called 6 Plants absorb water and minerals from 7 The mixture of water and mineral salts is called raw sap. their roots. tubes called phloem vessels. xylem vessels. elaborated sap. carbon dioxide from the air. chlorophyll which traps sunlight.