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.
5 Best exercises to improve heart health. Aerobic or cardiovascular exercise is any form of activity that increases your respiratory and heart rate, essentially challenging your heart to work harder and become stronger. Cardiovascular fitness will improve the way your body uses oxygen. As your heart becomes stronger, you will find that you aren't winded walking up the stairs, you can perform physical activity longer, and your resting heart rate will be lower, meaning your heart is more efficient at pumping blood through your body.