Human heart - the part of your body you definitely cannot live without!
From the old times individuals knew that human heart is such an important focus of life, no individual could be without it. From those times the heart is a symbol of something absolutely important and necessary for the very survival of any man. That is probably why our soul is full of sentences mentioning the heart.
Men and women used to guess that the power of any person is in the heart. Some tribes were sure human soul is fidden in the heart, others we sure every desire, either light or dark, is born in the heart, that is why they were certain that a bad man or woman has a black heart beating in the chest!
“You are my heart” - so we say about the most important man in our life. The personality able of interesting everybody gets the title of “the heart of the company”. When something disappointing happens to our nearest and dearest we always convince them not “to take it all to heart”. A cruel and careless individual is called “heartless”. And if someone really enjoys eating we refer him or her to “hearty eaters”. Certainly you can continue this list with your own examples proving how important is the heart for humans!
Today having every fracture of knowledge up-to-date science provides us with we do realize that the heart is a mere organ, but it keeps counting throbs in ecstasy when we are happy and continues sobbing when we have nasty periods of our lives. God only knows, maybe that is the reason why any failures in the functioning of human hearts are responsible for the quarter of the total deaths all over the world! Let us memorize general information about the heart to notice the first symptoms of any heart disease and to be able to keep your personal biological motor healthy!
Human heart just as hearts of all animals, is a hollow muscular organ of the body’s circulatory system. It keeps pumping blood throughout the blood vessels. Its non-stop rhythmic contractions pump as much as 5-6 liters of blood every minute, about 360 liters of blood every hour and 8 000 - 10 000 liters of blood daily! Normal contraction rate of any healthy adult person is about 60-80 a minute, i.e. about 4 500 contractions an hour or 100 000 - 108 000 daily! Sounds stunning, doesn’t it! MDs ofter refer heart problems to cardiac affairs. The point is word cardiac comes from the Greek “kardia” meaning “related to the heart”. Our hearts are very complicated. Normal functioning of the heart and numerous heart illness called cardiopathies are carefully studied by cardiology.
Your heart is divided into four chambers. The two upper chambers are called the left and right atria, while the two lower chambers are called the right and left ventricles. Sometimes doctors speak about the right heart (right atrium and right ventricle together) and the left heart (the left atrium and left ventricle together).
As a rule human heart is as large as a fist, it occupies the middle of the chest, it is a little shifted to the left and it weighs as much as 250 and 350 grams.
We have already mentioned it above that, the main function of the heart is pumping blood, but this job is a very complicated affair! The heart always moves our blood in one direction. It gets from the atria to the ventricles and moves on through arteries. Powerful triscupid, mitral, aortic and pulmonary valves in the heart prevent the blood from going backwards. It is very important because the heart at the same time sends de-oxygenated blood towards the lungs and oxygenated blood to every system and organ of our body!
The right heart is responsible for gathering de-oxygenated blood in its atrium and pushing it through the ventricle directly into the lungs, where carbon dioxide is dropped off (when we breathe out) and oxygen picked up (when we inhale). This occurs with the help of erythrocytes taking part in the process of diffusion.
The left heart is responsible for collecting oxygenated blood from the lungs in its atrium and sending it through the ventricle and via the aorta out to the body. As you have already guessed, a much greater force is needed to pump the blood through the large systemic circulation. That is the reason why the muscle wall surrounding the left ventricle is much thicker than that of the right ventricle pumping the blood directly into the lungs.
The main part of people carelessly think their personal biological engine will always serve them and they never do a thing to help it. As some cardiologists say, you have a healthy heart if it never reminds you of the fact it is there, in your chest and keeps working 24/7. Unfortunately, persons start taking care of the heart only when it fails them for the first time when it is to late to prevent a trouble.
Do you know what habits, ways of life and behavior damage your personal biological ticker? First of all, stressful jobs and family scandals make your heart beat at a dangerous speed. Lack of sleep and leisure, a stream of bad emotions and the feeling of deprivation make the situation worse. Bad ecology, irregular recreations give some strain to your heart, too. Junk and fast food, irregular meals and wrong diets do not provide your heart with elements necessary for its flawless work. Lack of physical exercise make your heart muscles weaker, as a result your motor is not always able of managing extra strain. Bear in mind that backbreaking physical activity permanently forces your heart to work at the top of its abilities making it wear out.
Any health troubles you ever had or have now affect your heart, too. To guarantee your soon recovery your tireless ticker doubles and triples its efforts and keeps pushing blood through your vessels when you have a fever, when you are intoxicated or when you have to struggle with some infection! Excess weight, hypertension, and high cholesterol considerably increase the risk of getting a heart disorder, too.
To help your heart be healthy:
- avoid mental stress and strain;
- try to obtain stable position in life;
- think positive, be optimistic, avoid overreacting;
- walk a lot, go in for some sport;
- choose a well-balanced diet;
- control your body weight and blood pressure.
Please, contact your physician immediately if:
- you feel your heart working in your chest;
- you are short of breath without considerable physical activity;
- you have trouble breathing (blood may back up into the lungs);
- you have pain in the chest (meaning the heart muscle is not getting enough blood flow);
- your heart feels unusually big;
- your legs and feet swell (blood is backing up from in the lower body);
- you feel weak (the body and brain do not get enough blood to supply them with oxygen);
- your skin and lips turn blue (too little oxygen is in the bloodstream to supply the cells in the body);
- your heart beats irregularly (palpitations).
Those could be the first symptoms of a heart disease!
Heart disease is a umbrella term for a variety of troubles with the heart. MDs use the word cardiopathy. Irrestective of the term, any heart trouble means that the biological ticker does not work normally.
The short classification of heart diseases consist of congenital heart diseases and acquired heart diseases. Congenital heart diseases are the heart diseases a baby is born with. Acquired heart diseases are those troubles that are developed by people in the course of their lives. The bulk of heart diseases are acquired ones.
Cardiologists tell there are three usual sorts of acquired heart diseases:
1. The problem with the blood vessels delivering blood to the heart muscle - so called Coronary Artery Disease. The blood vessels in question get thinner, some of them can be blocked, that is why blood cannot flow through them at normal speed, eventually the heart muscle cannot work normally, it becomes weak and thin. In the most difficult cases the blood flow stops altogether and the heart muscle dies. Coronary Artery Disease is believed to be hereditary, but it develops if a man smokes or drinks too much alcohol, has a history of diabetes, high cholesterol or high blood pressure.
2. When the heart cannot pump blood at normal levels we face Congestive Heart Failure. In some cases the valves of the heart do not let through enough blood because they are too thin. They can let some blood flow backwards in the wrong direction, i.e. inside the heart. Forced to do extra work, the heart gets tired or fatigued and its muscle becomes too worn out to cope with any serious strain.
3. The trouble with electrical activity in the heart is called Bad Heart Rhythms. The heart can beat too fast or too slow without any obvious reason. The fact is our heart can pump the blood well only if it enjoys normal rhythm. Otherwise this task becomes next to impossible. With the fast rhythm the heart does not have enough time to let the right amount of blood into the chambers, as a result the motor pumps too little blood with each beat. With the slow rhythm the heart does not make enough contractions to supply the body with the proper quantity of blood. Extremely bad heart rhythms can prevent the heart from pumping any blood at all.
The irony is that your tireless engine can become the reason of your immediate death! But in fact the things are not as bad as that! Day by day contemporary pharmacology keeps saving hundreds of lives of personalities suffering from numerous heart troubles.
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