The Heart System - rogerbradburyphotography.com

The heart and circulatory system make up your cardiovascular system. Your heart works as a pump that pushes blood to the organs, tissues, and cells of your body. Blood delivers oxygen and nutrients to every cell and removes the carbon dioxide and waste products made by those cells. It’s a muscle, about the size of your fist, in the middle of your chest tilted slightly to the left. Each day, your heart beats around 100,000 times. This continuously pumps about five litres eight pints of blood around your body through a network of blood vessels called your circulatory system. Blood flows from the body and lungs to the atria and from the atria to the ventricles. The ventricles pump blood out of the heart to the lungs and other parts of the body. An internal wall of tissue divides the right and left sides of your heart. This wall is called the septum.

The heart is the key organ in the circulatory system. As a hollow, muscular pump, its main function is to propel blood throughout the body. It usually beats from 60 to 100 times per minute, but can go much faster when necessary. It beats about 100,000 times a day, more than 30 million times per year. Feb 26, 2019 · The heart is the main organ in the circulatory system, the structure primarily responsible for delivering the circulation of blood and transportation of nutrients in all parts of the body.

The heart is located in the mediastinum, the cavity between the lungs. The heart is tilted so that its pointed end, the apex, points downward toward the left hip, while the broad end, the base, faces upward toward the right shoulder. The heart is surrounded by the pericardium, a sac characterized by the following two layers. Jun 19, 2013 · This animation features the heart and circulatory system and how they work. For more information, visit: /health/heart-disease/DS0.

Feb 19, 2016 · The heart is actually sitting between the two lungs within this protective casing that the ribs are basically there to keep all these important organs safe. And then below them, so if you draw this here. Blood vessels that carry blood away from the heart. Blood vessels that carry blood towards the heart. Blood vessels that are so small that blood cells can only pass through them in single file. Carries.

The heart has four chambers — two on top and two on bottom:The two bottom chambers are the right ventricle and the left ventricle. These pump blood out of the heart. A wall called the interventricular septum is between the two ventricles.The two top chambers are the right atrium and the left. Your heart is a pump. It's a muscular organ about the size of your fist and located slightly left of center in your chest. Together, your heart and blood vessels make up your cardiovascular system, which circulates blood and oxygen around your body. Your heart is divided into four chambers.

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