Dextromethorphan: This ingredient is included in all NyQuil formulas except âNyQuil Sinus.â Dextromethorphan, also known as âDXM,â has an elimination half-life of 3 to 6 hours, but may narrowed within the range of 2 to 4 hours among those with normative metabolism.
Phloem is the tissue in plants that transport food to the parts of the plant where it needs to go. An example of the phloem is the tissue in plants that distributes the sugar that plants eat. the vascular tissue in vascular plants that conducts and distributes sugars and other dissolved foods from the places where the food is produced to the places where it is needed or stored. Origin of phloem.
Xylem is the type of vascular tissue that moves water and dissolved nutrients from the roots to the leaves. The xylem are â¦ one-way roads, however. No particles can move down the tree through the xylem. Phloem are the tubes in plants responsible for transporting sugars from the leaves to the roots and vice-versa.nswer by Jimbo Wage. Confidence votes 1.2K. The vascular tissue system is one of three tissue systems that make up a plant, the other two tissue systems or ground and dermal, with dermal tissue being the outer layer and the ground tissue making up most of the inside of a plant.