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.
Cardiovascular exercise is exercise that increases your metabolic rate. Virtually all exercise does that. While that is the proper definition, we donât follow just English here, and so an appropriate albeit improper definition really means that cardio raises your heart rate to 80% or greater of your age adjusted max.