tom dunsdon
the heart and the veins
veins
Valves in the circulatory system prevent blood from flowing into the wrong compartments. Valves also regulate the amount of blood that can be held in one compartment of the heart over a certain period.
To maintain the flow of blood in one direction
The heart and veins are the parts of the circulatory system that have valves to assist with blood flow.
The valves keep blood flowing in one direction. And there are even valves in the veins. The system is called a circulatory system and the system must keep going in a circle to function properly.
Pressure There are also one way valves in the circulatory system.
in the arterial system, your heart keeps pushing everything forward. in the venous system, you have valves everywhere to reduce backflow
Heart
There is no one name for the circulatory system of a cell--just names for the various parts of the cell.
There is only one major organ in circulatory system that is heart. Brain and lungs are not its parts they are parts of nervous and resperatory system. you may also see blood vessels as a part of circulatory system but its not an organ.
blood makes the body move