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.
Either way you look at it though, cardiovascular exercise is one of the key components that should never be left out of a fitness plan. Cardio, short for cardiovascular exercise, is any movement that gets your heart rate up and increases blood circulation throughout the body. There are various forms and methods of performing cardio exercise - all which will have specific benefits and guidelines.