Communication in day-to-day life
Cell communication, like our day-to-day communication, is possible with sending and receiving signals.
Communication plays a key role in every one's life in the form of mobile phones, internet, e-mails etc., and no one would deny the importance of communication in day-to-day life. The role of communication at cellular level is equally critical as it is absolutely an essential part in multicellular organisms (humans).
It is known that trillions of cells together communicate each other to coordinate their activities. There are many examples of cell to cell signaling in our human body. For example; the ability of cells to perceive and correctly respond to their microenvironment is the basis of development, tissue repair, and immunity as well as normal tissue homeostasis. Errors in cellular information processing are responsible for diseases such as cancer, autoimmunity, and diabetes.
The interactions between organisms may range from cooperative to antagonistic, which is true for single-celled organisms as well as individual cells that make up multicellular organisms. This cooperation among individuals cell is more likely due to the genetic similarity of the cells.