People need blood. People give blood. People use blood.

It is like a mathematic symbol. It is an essential part of the equation of the contents of your body.

Blood is technology. The different types of cells have different functions, much like a computer.

Blood can speak a powerful language with different meanings like the definitions of words. Blood can mean danger sadness or violence. But it can also mean hope and happiness.

Blood is like the different types of personalities and states of mind, as it has different types.

Blood is a connection to the past. Families have bloodlines that trace far back in history.

Living blood is the most beautiful, opaque shade of red with a unique and fresh smell.

The blood of death dries and is a dark crimson color with more of an unpleasant stench.

Blood is an expression of the endless cycle of life and death.