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