They're both the circulatory system.
The word heart is another four-letter word that is related to your circulatory system.
the answer is YES.
the Circulatory system
The circulatory system is also known as the cardio-vascular system.
respiratory. also lymphatic.
no it is a part of the digestive sistem
They are interrelated because the respiratory system provides oxygen to the heart.
closed circulatory system (double circulatory system)
There are some diagrams at the Related Links below.
Gastropods have an open circulatory system. Check related links.
Circulatory means related to circular movement. For example, the circulatory system of the body moves blood in a loop throughout the body.