Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...

When cells express specific genes that characterise a certain type of cell we say that a cell has become differentiated. Structure and ... are known as mutations. Human genomics The human genome ...

The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the cells across their walls. Structure and function of the heart In this Higher Human ...