The Cardiovascular System Of The Heart And The Vasculature

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.

system where the heart is the pump, which pumps the blood, and the blood vessels are

Located between the parietal and visceral layer is the pericardial fluid, this is emissions of pericardial cells that helps reduce friction between layers as the heart moves and thumps. The heart has three layers; the epicardium (made up of two tissue layers the visceral layer and serous pericardium layer). This layer of the heart is made out of mesothelium which is a thin transparent layer that is a delicate fibroblastic tissue and adipose tissue. This adipose tissue starts to get thickest over ventricular surfaces where the hearts coronary and cardiac vessels are found. The center layer of the heart is the myocardium (this layer is in charge of the pumping activity of the heart and is made out of cardiovascular muscle). The myocardium consists of ninety-five percent of the hearts wall, which consists of muscle fibers. The cells in the myocardium layer are muscle strands. The cardiovascular muscle fibers structure bundles and whirl slantingly around the heart which is in charge of the heart 's pumping activity. The internal layer of the heart is the endocardium (this is a flimsy layer of endothelium tissue overlying a thin layer of connective tissue). This layer gives a smooth coating layer to the chamber of the heart and spreads the valves of the heart. This smooth layer lessens friction as blood moves all through the heart. The endothelium and endocardium have large veins that connect to the heart. The heart is four chambers; two

Three different layers work together to form the heart. These are the pericardium, myocardium, and endocardium. The outermost layer is the pericardium, and it is formed of and additional two layers. In the middle

Your Heartbeat is your four valves pumping blood. Your valves include the Mitral valve, the Aortic valve, the Bicuspid valve, and the Tricuspid valve. Valves allow blood to flow to your four chambers the Atrium and the Ventricles. Arteries and Veins let blood flow around your body, the veins right next to your

The system has two functions: to deliver oxygen and nutrients to cell and tissues & to remove carbon dioxide and other waste products from the cells and tissues. The base of the heart points toward the right shoulder, also it is about the size of your fist. The first layer of the heart wall is the epicardium. It is comprised of connective tissue that makes up the visceral pericardium. The middle layer is the myocardium, which is mostly cardiac muscle. The innermost layer is the endocardium. The heart has 4 chambers which allow is the pump correctly. Two atria chambers which receive blood and two ventricular chambers which discard of blood. There are two septa`s in the heart. The interventricular ( separates the 2 ventricles) and the interatrial (separates the 3 atria). Blood circulation is a thing because of the heart. Systemic circulation allows the blood to flow from the left side through the tissues and back to the heart entering on the right side. Pulmonary circulation allows the blood to flow from the right side to the lungs and back entering on the left side. A valve allows the blood to flow in one direction, it prevents backflow. There are 4 valves throughout the heart. They are the atrioventricular valve, bicuspid valve, semilunar valve, and the tricuspid valve. The two most important valves are the AV valve and the semilunar valve. The continuous circulation of blood through the body is vital for

Capillaries are single-cell wall vessels that are given with blood from the arterioles. The human body cells don’t be very far from the capillaries and they rely on them for oxygen and nutrients.

             The Cardiovascular system actually have two different systems, the cardio system which refers to the heart and the vascular system which refers to the blood. So when talking about the cardiovascular system we are talking about the heart pumping blood around the body.

The cardiovascular system is one of the major body systems. The cardiovascular system is a transportation device that transports waste products,oxygen,nutrients,carbon dioxide, and hormones throughout the body through the blood. The cardiovascular system is made up of the heart, arteries, veins, capillaries (also known as blood vessels and blood. The heart is a hollow fist sized organ that is made up of muscle.It contains 4 chambers that all involuntarily contract to pump blood throughout the body. The four chambers are then separated into two sides (right side and left side). Both sides contain an atria and ventricle which pumps the blood out of the heart. Both sides also stop the black flow of blood. The heart also contains 3 layers.

The wall of an artery consists of three layers. The innermost layer, the tunica intima (or just intima), contains simple squamous epithelium, basement membrane and connective tissues. The epithelium is in direct contact with the blood flow. The middle layer, the tunica media, is primarily smooth muscle and is usually the thickest layer. It not only provides support for the vessel but also changes vessel diameter to regulate blood flow and blood pressure. The outermost layer, which attaches the vessel to the surrounding tissue, is the tunica externa or tunica adventitia. This layer is connective tissue with varying amounts of elastic and collagenous fibers. The connective tissue in this layer is quite dense where it is adjacent to the tunic media, but it changes to loose connective tissue near the periphery of the vesse

The heart is composed of four chambers, the right and left atrium and the right and left ventricles. This important muscle is used to pump and create pressure to circulate blood throughout our bodies2. It is important for our heart to properly function because it helps blood deliver important nutrients and oxygen to the rest of our body. The heart is located in between the lungs (2/3 slightly tilted to the left), in the central portion of the thorax2. The atria collect the blood versus the ventricles which pump out the blood to the rest of the body. In order for the heart to properly function is must also receive enough oxygen and proper electrical stimulus. The coronary arteries are in charge of distributing adequate amounts of oxygen to the heart2. The heart’s nodes help the heart function with electrical impulses which allow the heart to contract. These are also known as the pacemakers of the heart. Failure to properly function can result in a heart attack.

Heart= The heart is around the size of a persons fist, it is composed of 2 sides and four chambers, the left and right atria and the left and right ventricles. The atria’s are at the top of the heart, they receive blood from various parts of the body. The two ventricles are located on the bottom of the heart and pump blood away from the heart. The right ventricles responsibility is to pump the deoxygenated blood to the lungs, while the left ventricle pumps the oxygenated blood to the rest of the body. Between the chambers there are valves in the heart, the valves control the flow of blood, making sure it flows in one direction.

The Heart is hollow organ which is composed of four muscular chambers the right and left atrium and ventricles that is specialized for pumping blood throughout the body. The heart is also consists of four valve; two atrioventricular valve which is the bicuspid and tricuspid valve that is allowing blood to flow in the atria and closes when there is a increase ventricular pressure that prevent backflow into the atria as ventricles contract (Craft, Gordon, and Tiziani, 2011), and the semilunar valves which include the pulmonary and aortic valves is located at the exit of the large arteries from the ventricles that opens when there is intraventricular pressure exceeded the aortic and pulmonary pressure which allows the blood flow into the systemic

Cardiovascular system consists of the heart and it’s associated blood vessels. “Main functions of the cardiovascular system include the supply of oxygen and nutrients to all cellular tissues in the body while also removing metabolic wastes such as carbon dioxide” (Collins, 2013 p. 169). The heart is a four-chambered organ with two superior atria and two inferior ventricles. There is four valves located in the heart each function to prevent the backflow of blood into either atria or ventricular chambers. “The two valves located between the atria and ventricles are called atria-ventricular valves, while the two valves located between the pulmonary, aortic arteries and the ventricles are called semilunar valves” (Christensen & Kockrow, 2014 p.

Left atrium: The left atrium is one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a vessel for blood returning from the lungs and to act a pump to transport blood to other areas of the heart. The walls of the left atrium are slightly thicker than the walls of the right atrium. Oxygen-rich blood from the lungs enters the left atrium through the pulmonary vein. The blood is then pumped into the left ventricle chamber of the heart through the mitral valve. From there, the blood is ready to be pumped into the body to deliver oxygen throughout