Do human cells have a mouth?

Cells have a lipid (fat) membrane embedded with proteins, called channels, that selectively allow different kinds of molecules to pass in and out. Image courtesy: Cells: The Living Units. read more

Human cells have no real mouth with lips and tongue. But there is a process called ‘ endocytosis ’ and it works like cell’s mouth. Actually endocytosis includes pinocytosis (drinking) and phagocytosis (eating). And these processes occur all over the cell membrane. read more

More recently, researchers have discovered that the cheek cell can be used to measure a person's likelihood of having high blood pressure. A human cheek cell is thin, flat and irregularly shaped and has a large nucleus that contains the DNA. read more

Human cells vary in size, but all are quite small. Even the largest, a fertilized egg, is too small to be seen with the naked eye. Human cells have a surface membrane that holds the contents together. read more