I'm not sure if I'm answering your question...
But the heart has its own pacemaker allowing itself to pump without your brain telling it to pump... What I mean by that is, your heart will pump even when your brain can no longer send signals to your heart. All other organ systems are dependent on the brain for their function
closed circulatory system (double circulatory system)
They're both the circulatory system.
Amphibians have closed circulatory system Closed
The circulatory system
open circulatory systemclosed circulatory system.
The cadiovascular system, sometimes called the circulatory system when it includes the lymphatic system.
Well,circulatory system is made up of BLOOD and heart.
i believe it is the circulatory and the cardio-vascular systems cardiovascular or circulatory
closed circulatory system.
The circulatory system does not have a backbone.
can a plant have a circulatory system
can a plant have a circulatory system