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Jul 30, 2021 · Summary. The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry ...
Sep 12, 2023 · Function. The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism. Oxygen is bound to molecules called haemoglobin that are on the surface of the red blood cells in the blood. Beginning in the heart, deoxygenated blood ...
Aug 26, 2024 · The heart is a muscular organ responsible for the flow of blood in the body. The heart has a right and a left side, each with an upper chamber (atrium) and lower chamber (ventricle). The right atrium receives oxygen-deprived blood from the body. The blood travels across the tricuspid valve into the right ventricle, which pumps the blood across ...
The bottom tip of the heart, known as its apex, is turned to the left, so that about 2/3 of the heart is located on the body's left side with the other 1/3 on right. The top of the heart, known as the heart's base, connects to the great blood vessels of the body: the aorta, vena cava, pulmonary trunk, and pulmonary veins. Circulatory Loops
Sep 4, 2024 · Circulatory System. Your circulatory system, or cardiovascular system, supplies oxygen and nutrients to your whole body and removes waste through your blood. Your heart pumps blood that flows through your arteries, veins and capillaries. These blood vessels and your heart form your circulatory system.
It is a closed tubular system in which the blood is propelled by a muscular heart. Two circuits, the pulmonary and the systemic, consist of arterial, capillary, and venous components. Understanding the human cardiovascular system The vascular system is a network of arteries, veins, and capillaries that supplies blood to the tissues of the body.
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Heart. The heart is a muscular organ in the chest. It consists mainly of cardiac muscle tissue and pumps blood through blood vessels by repeated, rhythmic contractions. As shown in Figure 17.2.3 17.2. 3, the heart has four inner chambers: a right atrium and ventricle and a left atrium and ventricle.
