Muscle injuries and dehydration can also trigger cramps. Dehydration is the excessive loss of fluids in the body. Low levels of any of the following minerals that contribute to healthy muscle function may also cause muscle cramps: calcium.
The heart is a part of the cardiovascular system in fact its the main part so if you have heart disease another way of saying this is you have cardiovascular disease.
The Movement of Gases The movement of gases, especially oxygen and carbon dioxide, is one of the most important jobs of the cardiovascular system. But the cardiovascular system cannot do this alone. It must work with other organ systems, especially the respiratory system, to move these gases throughout your body.arts of the Cardiovascular System Your heart pushes the blood around your body through the blood vessels. The heart, shown in Figure below, is made of cardiac muscle. The heart is connected to many blood vessels that bring blood all around the body.