Plant looks very simple from out but entire system needs a good coordination from process of photosynthesis to storage and utilizing in leaves the inner tissues sponge parenchyma and palisade parenchyma ams at the center xylem and phloem tissue these two carry water and other carry food material to all the body parts and absorption of water involves osmosis process as root hair contains a membrane called as cell sap which is more concentrated next is absorbing sunlight by chlorophyll the green pigment in the chloroplast all these functions need to be coordinated and it is a complex process but happens in seconds