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circulatory system because blood flows through your veins
Worms have a closed circulatory system because they inherited it from their ancestors.
mammals have closed circulatory system and further double circulatory system.
The circulatory system affects the other body systems because the circulatory system gives oxygen to the other system. Without the circulatory system the other systems would not work.
Crayfish have an Open Circulatory system because they are Invertebrates.
Veins belong to the circulatory system, because they transport blood there for they belong to the circulatory system.
I think is because the circulatory system of a reptile has the ability to redirect deoxygenated blood from the lungs to save energy.
The Circulatory system is a busy system because it can never stop. Your circulatory system is what pumps your blood and gives your cells food water and oxygen and takes waste away from your cells. If your circulatory system ever stopped then you would die.
Your circulatory system is important because that is what carries blood to and from all areas of your body. Without your circulatory system, you wouldn't make it far.
autonomic nervous system
they improved oxygenation of tissues
closed circulatory system (double circulatory system)