Enlightened witnesses can be those who themselves have risen from the depths. Individuals who have overcome great odds and great adversity. Sometimes this is the very thing required to create lasting empathy and feeling. For when we identify, we can extend ourselves that much more.
The Cardiovascular system links all the parts of our body and consists of the heart, blood vessels, and blood. The Cardiovascular system carries needed substances to cells and carries waste products away from cells.
The circulatory system carries chemicals to all points in your body. The fluids also carry waste products and dissolved gases for your cells. Think of the chemical compounds as cars and the circulatory system as a network of freeways, main streets, and side streets.