How Does The Human Heart Work

1205 Words3 Pages
bulb-icon

Recommended: Circulatory system (grade 7

The Human Heart
The human heart is an organ that pumps blood through the circulatory system into the human body. The human heart is a complex organ which has special parts, a complicated way of working and further requires multiple tasks to be done to keep the heart healthy. In, order for the human heart to work properly, it uses specific parts that allow it to run. With these specific parts, the human heart works in a particular way further explain. When certain defects are formed in the heart, many diseases can occur further explained. To help fix the disease in the heart there are many surgeries that are done. In some surgeries, machines are inserted into the heart which allows the heart to behave better than it did without the machine. …show more content…

First, the human heart is covered in Membrane (protective film) which protects the heart. Likewise, the heart divided into two parts by a thick muscle called the septum and on each side of the two parts, there is two atrium which is hollow chambers. In addition, the right atrium is filled with oxygen-poor blood and the left atrium is filled with oxygen-rich blood. Again, the lower chambers of the heart are called the ventricles. In addition, the valves in the human heart are billowing flaps attached to the four chambers of the heart. Thin cords hold the valve between the atrium and ventricle, during every heartbeat, the head strings keep the valve from turning inside out. Still, thin cords hold the valve between the atrium and ventricle, during every heartbeat, the head strings keep the valve from turning inside out., the pulmonary artery is the artery (thick muscle and elastic layers that allow blood to pass through.) That protects the heart. To understand the human heart’s various topics presented in this report the reader must be able to understand the parts of the heart because it helps give basic knowledge to the readers when reading the

Show More
Related

  • How the Heart Works

    418 Words  | 1 Pages

    In this figure, SN = sinus node; AVN = AV node; RA = right atrium; LA

    Read More

  • Cardiovascular Fitness Lab Report

    862 Words  | 2 Pages

    Cardiovascular Activity And How it Influences the body. Introduction: Cardiovascular fitness is a form of aerobic fitness (Neporent and Egan 1997). There are many different ways of evaluating the amount of oxygen used during cardiovascular fitness and one the methods involved is called VO2 Max. VO2 Max is the maximum amount of oxygen that the body can hold.

    Read More

  • Analysis Of The Tell-Tale Heart

    1498 Words  | 3 Pages

    In the Tell-Tale Heart the story speak about a murder. The narrator telling the story

    Read More

  • The First Artificial Heart Transplant

    742 Words  | 2 Pages

    The development of the artificial heart began in the early 1950’s. The initial prototype, developed in 1970’s by the artificial developmental staff at the University of Utah, allowed 50 hours of sustained life in a sheep. Although this was called a success, the implantation of the artificial heart left the sheep in a weakened state. It wasn’t until late 1970’s and the early 1980’s where the improvement of the artificial heart actually received attention as a possible alternative to a heart transplant. The remodeled product of the early 1970’s did more than just the 50 hours of sustained life; it enabled the cow to live longer and to live a relatively normal life, with the exception of a machine attached to the animal.

    Read More

  • Heart Health: How Does Heart Rate Change with Exercise?

    831 Words  | 2 Pages

    The science and history of the heart can be traced back as far as the fourth century B.C. Greek philosopher, Aristotle, declared the heart to be the most vital organ in the body based on observations of chick embryos. In the second century A.D, similar ideas were later reestablished in a piece written by Galen called On the Usefulness of the Parts of the Body. Galen’s thesis was that the heart was the source of the body’s essential heat and most closely related to the soul. Galen made careful observations of the physical properties of the heart as well. He said “The heart is a hard flesh, not easily injured. In hardness, tension, in general strength, and resistance to injury, the fibers of the heart far surpasses all others, for no other instrument performs such continues, hard work as the heart”(Galen, Volume 1).

    Read More

  • Analysis Of Sane In The Tell Tale Heart

    516 Words  | 2 Pages

    If someone makes a bad choice, does it matter if they are sane or insane? It depends on the evidence and how the reader portrays the definition of "sane"in the Tell Tale Heart. The narrator’s emotions are appropriate for his given situations. Some would say that being sane is to "normal" and everyone can be "normal" being insane is the only reason why he killed the old man. How could he be insane if he did so many sane and normal things? The narrator in Tell Tale Heart is sane, he took the time and effort to kill the old man.

    Read More

  • Circulatory System

    420 Words  | 1 Pages

    The heart is two sided and has four chambers and is mostly made up of muscle. The heart’s muscles are different from other muscles in the body because the heart’s muscles cannot become tired, so the muscle is always expanding and contacting. The heart usually beats between 60 and 100 beats per minute. In the right side of the heart, there is low pressure and its job is to send red blood cells. Blood enters the right heart through a chamber which is called right atrium. The right atrium is another word for entry room. Since the atrium is located above the right ventricle, a mixture of gravity and a squeeze pushes tricuspid valve into the right ventricle. The tricuspid is made up of three things that allow blood to travel from top to bottom in the heart but closes to prevent the blood from backing up in the right atrium.

    Read More

  • Physiology Of Coronary Heart Disease

    1212 Words  | 3 Pages

    Cardiovascular disease is currently the leading cause of death in the United States. It is responsible for one in four deaths every year, about 600,000 mortalities. This disease affects men and women, as well as every ethnic group. Coronary artery disease is the most common cardiovascular disease, representing approximately 400,000 deaths per year of the aforementioned 600,000 total deaths from cardiovascular diseases as a whole. In 2010 alone, coronary artery disease cost the United States $108.9 billion for health care services, medication, and lost productivity. These chilling statistics, published every year by the American Medical Association, demonstrate the immediate need for new and innovative ways to prevent, detect, and treat coronary heart disease. This paper will explore the molecular biology behind the disease while explaining the current treatments and prevention that are available today, why they work and what can be done to improve them.

    Read More

  • The Cardiac Cycle

    917 Words  | 2 Pages

    When your heart beats, the first beat represents the AV valves closing to prevent the backflow of blood into the atrium. The second beat is the semilunar valves opening to allow blood into the aorta or pulmonary trunk.

    Read More

  • Leading Causes of Death in The United States

    2023 Words  | 5 Pages

    The heart serves as a powerful function in the human body through two main jobs. It pumps oxygen-rich blood throughout the body and “blood vessels called coronary arteries that carry oxygenated blood straight into the heart muscle” (Katzenstein and Pinã, 2). There are four chambers and valves inside the heart that “help regulate the flow of blood as it travels through the heart’s chambers and out to the lungs and body” (Katzenstein Pinã, 2). Within the heart there is the upper chamber known as the atrium (atria) and the lower chamber known as the ventricles. “The atrium receive blood from the lu...

    Read More

  • The Heart Of Heart Disease

    1785 Words  | 4 Pages

    Just as breast cancer is killing our African American women, heart disease is also one of the major diseases killing our women. Heart disease is one of the nation’s leading causes of death in both woman and men. About 600,000 people die of heart disease in the United States (Americas heart disease burden, 2013). Some facts about heart disease are every year about 935,000 Americans have a heart attack. Of these, 610,000 are a first heart attack victim. 325,000 happen in people who have already had a heart attack. Also coronary heart disease alone costs the United States $108.9 billion each year. This total includes the cost of health care services, medications, and loss of productivity. Deaths of heart disease in the United States back in 2008 killed about 24.5% of African Americans.

    Read More

  • The Heart

    1796 Words  | 4 Pages

    The heart is a pump with four chambers made of their own special muscle called cardiac muscle. Its interwoven muscle fibers enable the heart to contract or squeeze together automatically (Colombo 7). It’s about the same size of a fist and weighs some where around two hundred fifty to three hundred fifty grams (Marieb 432). The size of the heart depends on a person’s height and size. The heart wall is enclosed in three layers: superficial epicardium, middle epicardium, and deep epicardium. It is then enclosed in a double-walled sac called the Pericardium. The terms Systole and Diastole refer respectively and literally to the contraction and relaxation periods of heart activity (Marieb 432). While the doctor is taking a patient’s blood pressure, he listens for the contractions and relaxations of the heart. He also listens for them to make sure that they are going in a single rhythm, to make sure that there are no arrhythmias or complications. The heart muscle does not depend on the nervous system. If the nervous s...

    Read More

  • Process of the Human Heart

    808 Words  | 2 Pages

    The human heart has two ventricles and two atria making up four chambers. The heart includes the atria and ventricles. The left atrium and the left ventricle make up the left side of the heart and the right atrium and right ventricle make up the right side of the heart. Each side is important but the left ventricle and left atrium is the most important, and I will tell you why. The left ventricle receives blood from the left atrium and pumps into the aorta. The aorta pumps oxygenated blood to the rest of the body. If someone shot you in your left ventricle, you would most certainly die. That is why it is the most important. It pumps blood to the rest of your body. The right ventricle is important too. The right ventricle receives blood from the right atrium and pumps blood to the pulmonary artery. The pulmonary artery ha...

    Read More

  • Anatomy Of The Heart Research Paper

    410 Words  | 1 Pages

    Make a fist with your hand, and you will see about how big your heart is. Your fist’s size is like your heart’s size. Your heart is a muscle, and you have many muscles in your body. When you tighten a muscle, it makes movement happen in your body, like when you bend your arm.

    Read More

  • Cardiovascular System Research Paper

    589 Words  | 2 Pages

    The heart itself is divided by two chambers; the top chamber is called the atrium and the bottom chamber is called ventricle. These chambers are divided to right and left by a wall called the septum. In total the heart has four chambers which are the right atrium, the right ventricle, the left atrium and the left ventricle. The atriums are responsible

    Read More

More about How Does The Human Heart Work

Open Document