what is sap wikipedia
Sap is a fluid transported in xylem cells (vessel elements) or phloem sieve tube elements of a plant.These xylem cells transport water and nutrients throughout the plant.Sap is not to be confused with latex, resin or cell sap; it is a separate substance, separately produced, and with different components and functions.ylem sap consists primarily of a watery solution of hormones, mineral elements and other nutrients. Transport of sap in xylem is characterized by movement from the roots toward the leaves.