We now class tellurium as a metalloid because, as the confused scientists of the 1700s first noticed, it has properties that sit between those of metals and nonmetals. Hubble Telescope Wide Field Camera 3.
Water also easily enters the lymphatic capillaries via gaps between the lymphatic endothelial cells. These gaps function also as flap valves and this also promotes forward lymph flow when the capillaries are compressed. In other areas of the body the water permeability of capillary membranes is quite low.
The function of cell membrane is to act as a boundary between the inside of the cell ad its surrounding environment. It is made up almost entirely of a phopholipid bi layer and proteins. Molecules that are water soluble are unable to pass though the phospholipid bi layer due to the hydrophobic internal.