The gel-like material within the cell membrane is referred to as the cytoplasm. It is a fluid matrix, the cytosol, which consists of 80% to 90% water, salts, organic molecules and many enzymes that catalyze reactions, along with dissolved substances such as proteins and nutrients.
The River Thames is the second longest river in the United Kingdom and the longest river entirely in England, rising at Thames Head in Gloucestershire, and flowing into the North Sea at the Thames Estuary.
SENIOR SUPERVISOR-SENIOR MENTOR. The River Thames flows into an estuary near Southend in Essex. It is actually between the Counties of Essex and Kent where it meets the North Sea. An estuary is the mouth of a river or part of a river that is below sea level that has freshwater at low tides and salt water at high tides. They are usually enclosed an â¦ d sometimes when water rushes in with the high tide it can create a tidal bore, or a wave, that will keep going until its energy is spent.