There is definitely a general need for a circulatory system. This system carries blood, oxygen, and nutrients to all parts of the body.
Always! you need the process of the circulatory system in order to breathe and exhale waste.
you would need a cardiology doctor if the circulatory system fails
Cockroaches do have circulatory systems, they are are open circulatory systems
circulatory system
Arteries, veins, capillaries.
yes, of course.
If your circulatory system is not working, you do not need to worry about diseases because you will be dead.
closed circulatory system (double circulatory system)
the circulatory system distributes oxygenated blood all over your body, which your organs need. The excretory system i dno
They're both the circulatory system.
Amphibians have closed circulatory system Closed
no