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.
This equals 30 minutes of aerobic exercise five days per week, and this is the minimum amount of aerobic exercise required to sustain cardiovascular health. To build cardiovascular endurance, increase your cardiovascular training by 10 minutes weekly. After two months, you'll be performing over 230 minutes of aerobic exercise weekly, your heart will be stronger and you'll have more stamina and energy.