Heart

The heartbeat is the regular squeezing of your heart to continuously pump blood around the body in one way.

The heartbeat is a sequence of movements called cardiac cycle with two phases: systole and diastole. Systole is when the heart contracts and squeeze blood away into your arteries, Diastole is when the heart rests and the atria fills the heart with blood.

The best heartbeat song for heart massage is Staying Alive from the Bee Gees, 103 beats per minute.

Your body has a blood pressure which normally is 80 mm Hg (millimeters of mercury) in diastole and 120 mm Hg or the famous 120/80.

If the pressure goes over 140/100, you are hyper-tense and that can cause a lot of problems such as kidney failure, heart diseases and stroke.

If the pressure goes below 100/60, you are hypo-tense and then your organs such as kidney(s), liver, heart, lung, and brain to fail rapidly.

It is not so simple but eating 1500 mg of salt or less per day, drinking lots of water, eating vegetables and fruits and exercising at least 30 minutes per day can keep your blood pressure, brain and body well.

It is important to say that 1 meal at McDonald's have many times more salt than what you need for the entire day. Salt will go to your blood and will increase your blood pressure. Your kidneys will have to work hard to take it out of your blood. It is important to remember that coke and other pops have caffeine and those create trouble to your kidneys.