It is the house of all metabolic activities and functions in the cell. In other words, it contains most of the cell organelles, each of which perform a specific function.

  It synthesizes and secretes certain substances, namely hormones and enzymes. It also helps in the formation of acrosome of sperm.

  It helps in the storage of water and several other substances, namely food, waste products and pigments. It also provides turgidity to the cell.

  It controls and coordinates all the activities and functions of the cell. It plays a vital role in cell division.