Tag Archives: WHAT ARE CAPILLARIES?
176.WHAT ARE CAPILLARIES?
There are all kinds of big roads and highways connecting big cities so that food and other necessary materials can reach them. But what about the small towns and little villages? They need food and supplies, too.
The little roads and byways that reach the small towns and villages are like the capillaries in the human body. As we know, blood is pumped out of the heart to all parts of the body and the big vessels through which this blood flows are known as the arteries.