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.
The River Thames is a river flowing through the southern part of England. It is the longest river in all of England and the second longest in all of the United Kingdom. While famous for the portion that flows through central London, the river also flows around several others areas such as Reading, Henley-on-Thames, Kingston-upon-Thames, Windsor, and Richmond.