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.
Next. The circulatory system in mammals transports essential chemical substances to and from all of the cells in our bodies. The heart pumps blood along a network of blood vessels to reach our cells, while the lungs replace the oxygen used during respiration.