Heart Tissue Cell Cardiovascular System

The atrium chambers are small and collect blood returning to the heart from the systemic or pulmonary circulation. The ventricles are larger than the atrium chambers and they pump blood out into the circulation. The right atrium and right ventricle are separated by the tricuspid valve. The tricuspid valve has three flaps that prevent backflow of the blood from the right ventricle into the right atrium. The left side of the heart has a mitral valve also known as the bicuspid valve that consists of two flaps that separates the left atrium and left ventricle. The heart has a thick wall that is mainly of muscle and is constantly contracting and relaxing through every heartbeat. The hearts wall has three layers of tissue which consist of the innermost layer called the endocardium which is a smooth, thin membrane that lines the inside of the champers of the heart and forms the surface of the valves. The second layer is the middle layer that is called the myocardium. It is the muscular wall of the heart and is made of many layers of cardiac muscle which is striated and involuntary muscle tissue. Then the outer layer of the heart is the epicardium that is a double layered fibrous sac that covers and protects the heart.

The cardiovascular system consist of the heart, also known as the circulatory system. The major organs in this system is the heart, blood,capillaries, veins and arteries. When I hear cardiovascular system I automatically think about life itself. We have to have the heart in order to survive. The heart is the major organ in the cardiovascular system, it pumps blood throughout the body to organs, tissue, and cells. Think of the heart as being the fuel pump on the car. The fuel pump has to pump the gas to the engine to keep that car running. Same thing with the heart the heart has to pump blood to our bodies in order for us to run. Then you have the blood it's job is to carry oxygen and nutrients to every cell in the body and to remove any waste

Our cardiovascular system is composed of the heart and blood vessels. The main purpose of this system is to transport substances throughout the body. Even though transportation is the main function of the cardiovascular system, it is not the only function. Along with transportation we have protection and regulation.

The main role of the cardiac muscle is to keep the heart beating. The muscle has a large number of mitochondria and numerous myoglobins because the muscle is different to other muscle cells as it never gets tired and it is to provide a good blood supply.

The cardiovascular systems function is to pass blood through ones body keeping their muscles oxygenated, to keep nutrients that are needed in the body and to help get rid of metabolic waste. The cardiovascular system is made up of three components, these are; the heart, the blood and the blood vessels.

The human heart beats about one hundred thousand times per day, and two and a half billion times over a lifetime. The heart is responsible for pumping blood to the organs, tissues, and cells throughout the body. Blood sends nutrition and oxygen to the cells and carries waste products and carbon dioxide out of the body (From The Heart, 2002).

The heart’s job is to collect blood from all areas of the body, pump the blood to the lungs where it receives oxygen, collect the oxygen-rich blood from the lungs, and pump it to all areas of the body.

Cardiac muscle – The cardiac muscle tissue is only found in the walls of the heart. Cardiac muscle tissue shows some of the characteristics of smooth muscle and some of skeletal muscle tissue. The spaces between the different fibres of the cardiac muscle are filled with areola connective tissue which contains blood capillaries to supply the tissue with the oxygen and nutrients. Cardiac muscle tissue plays the most important role in the contraction of the atria and ventricles of the heart. It causes the rhythmical beating of the heart, circulating the blood and its contents throughout the body.

The heart is made out of three layers of tissue. The outer layer is epicardium, it is a thin membrane which helps to protect outside of the heart. The middle layer is called myocardium which contains the cardiac muscle tissue. Myocardium is the thickness a heart wall and the pump of blood is responsible for the myocardium. Lastly, the inner layer is called endocardium is thin and smooth. It job is to keep the blood sticking inside of the heart.

The main purpose of the heart is to pump blood around the body. The heart contracts and regularly and continuously pumping blood through the body, which carry vital materials that help human and animal bodies to function. The heart also removes unwanted waste products that we don’t need.

Background research – The heart belongs to the circulatory and cardiovascular systems. The circulatory system delivers oxygen and nutrients to cells, takes away wastes, uses the heart to pump oxygenated and deoxygenated blood on different sides and has different types of blood vessels including arteries, capillaries and veins. (Better Health Channel, 2012) The heart is the main organ in the circulatory system, it is a muscular pump and its key function is to pump the blood throughout the body.

The hearts role is to pump oxygenated blood to every cell in the body by having a continuous beat. Throughout time the heart has created mystery, however current technology has solved most of the mystery, there still remains an enchantment and eagerness to learn more.

Your heart is one of the most important organs in your body. However, there are certain things that can damage your heart and cause the heart muscle and tissue to die. Heart disease is one of the main causes. There are many different types of heart disease, but one that happens most often is coronary artery disease (https://www.nhlbi.nih.gov). This happens when there is a block in the coronary arteries, which are spider leg-like blood vessels that cause the cardiac cells to quit receiving oxygen and nutrients and leads to a heart attack. For heart tissue to live, there needs to be oxygen in the blood stream, but when oxygen is not present, the heart tissue will die. Since heart disease kills more men and women than any other disease, people working in the field of regenerative medicine have been trying to find a way to repair or replace damaged tissue. At least two different paths of research are helping with these efforts. One of these research paths uses information we already know about stem cells outside of the organism and our understanding of gene expression in the body to help guide cells toward certain outcomes. The other path explains tissue regeneration by observing certain organisms that repair or regenerate damaged tissue naturally (Major, 1).

The heart is the pump that propels the blood around the body providing essential nutrition to cells and tissues.

The function of the cardiovascular system is to circulate blood through a large network of vessels that run throughout the body. This provides each cell with nutrients and oxygen and also helps to dispose of waste products which is a main purpose of the cardiovascular system.