what is the largest passageway in circulatory system
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- The largest artery in the circulatory system is the aorta. It has three branches called the brachiocephalic trunk, right common carotid, and left common carotid.The aorta tra … vels all the way from the heart to the common iliac artery.In other words, it reaches the hip region.he largest artery in the circulatory system is the aorta. It has three branches called the brachiocephalic trunk, right common carotid, and left common carotid.
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- The used blood from the body returns to the heart through the network of veins. All of the blood from the body is eventually collected into the two largest veins: the superior vena cava, which receives blood from the upper body, and the inferior vena cava, which receives blood from the lower body region. Both venae cavae empty the blood into the right atrium of the heart.
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Circulatory System The circulatory system is the body's transport system. It is made up of a group of organs that transport blood throughout the body. The heart pumps the blood and the arteries and veins transport it. Oxygen-rich blood leaves the left side of the heart and enters the biggest artery, called the aorta. The aorta branches into smaller arteries, which then branch into even smaller vessels that travel all over the body.
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Pulmonary artery In order of blood flow, the pulmonary arteries start as the pulmonary trunk or main pulmonary artery. The main pulmonary artery begins at the base of the right ventricle. It is short and wide—approximately 5 centimetres (2.0 in) in length and 3 centimetres (1.2 in) in diameter. The main pulmonary artery splits into the right and the left main pulmonary artery.
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Heart Anatomy The right ventricle receives blood from the right atrium across the tricuspid valve, which is located in the large anterolateral (ie, sinus) portion of the right ventricle. The right ventricle discharges blood into the pulmonary artery across the pulmonic (semilunar) valve located in the outflow tract (infundibulum). The inflow tract (sinus) and outflow tract (infundibulum) of the right ventricle are widely separated.
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The Path of Blood through the Human Body As each atrium and ventricle contract, blood is pumped into certain major blood vessels, and from there, continues through the circulatory system. The intertwined circulatory system pathways: Pulmonary circulation and systemic circulation work together.he Path of Blood through the Human Body. When a heart contracts and forces blood into the blood vessels, there is a certain path that the blood follows through the body. The blood moves through pulmonary circulation and then continues on through systemic circulation.
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- The aorta is usually the largest blood vessel in the human body. The aorta is the artery that carries blood from the left ventricle to the whole body (other than the lungs). The superior and inferior vena cava are veins that carry blood from the body to the right atrium. Like other arteries, the aorta has a walls that are thicker than veins'.
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- The pulmonary artery carries deoxygenated blood from the heart to the lungs. It is one of the only arteries (other than the umbilical arteries in the fetus) that carries deoxygenated blood.n the human heart, the pulmonary trunk (pulmonary artery or main pulmonary artery) begins at the base of the right ventricle. It is short and wide—approximately 5 centimetres (2.0 in) in length and 3 centimetres (1.2 in) in diameter.
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Important Announcement! Path of a Red Blood Cell. The circulatory system consisting of the heart, arteries, capillaries, and veins, is the pumping mechanism that transports blood throughout the body.In the heart, the left ventricle contracts, pushing red blood cells into the aorta, the body's largest artery.rom here, blood moves through a series of increasingly smaller arteries, until it reaches a capillary, the junction between arteries and veins. Here oxygen molecules detach from the red blood cells and slip across the capillary wall into body tissue.
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- The largest artery in diameter (though it is rather short) is the main pulmonary artery, which is normally around 2.8 to 3.3 cm in diameter. This should not be too surprising, as it must carry the same amount of blood as the aorta, but at lower pressures. Hence, it is usually larger.
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Inferior Vena Cava Inferior Vena Cava. The inferior vena cava is the largest vein in the human body. It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. Although the vena cava is very large in diameter, its walls are incredibly thin due to the low pressure exerted by venous blood.
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Respiratory and circulatory systems The body's circulatory system has three distinct parts: pulmonary circulation, coronary circulation and systemic circulation. Pulmonary circulation is the movement of blood from the heart, to the lungs, and back to the heart again. Coronary circulation refers to the movement of blood through the tissues of the heart.Systemic circulation supplies nourishment to all our body tissues. Each of our circulatory systems works independently.irculatory system. The circulatory system contains the heart and the blood vessels and moves blood throughout the body. Our body has about five litres of blood continually travelling through the circulatory system.
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Blood pressure is the greatest in which of the vessels? arterioles.   In the veins and venules at any given time.   Veins hold the greatest volume of blood:   Veins= about 1/2   Heart and lungs= about 1/4   Arteries= about 1/4   Capillaries= about 5%. The largest blood vessel in your body is your ascending and descending aorta.
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- The pulmonary circuit begins at the semilunar valve of the pulmonary trunk that carries deoxygenated blood to the lungs. The pulmonary trunk divides into left and right pulmonary arteries that go to each lung. Blood is oxygenated in capillaries that flow through the alveoli of the lungs.he smaller hemiazygos v. collects blood from the left side of the thorax and drains into the azygos v. The azygos v. and hemiazygos v are the chief collecting vessels of the thorax. The inferior vena cava collects blood from organs inferior to diaphragm.
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Heart Anatomy The superior vena cava and inferior vena cava drain systemic venous blood into the posterior wall of the right atrium. The internal wall of the right atrium is composed of a smooth posterior portion (into which the vena cavae and coronary sinus drain) and a ridgelike, muscular anterior portion.he coronary sinus is a short (approximately 2 cm) and wide venous channel that runs from left to right in the posterior portion of the coronary groove. The opening of the coronary sinus is located between the right AV orifice and the inferior vena cava orifice.
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- The corpus callosum is the largest commissural pathway in the brain consisting of over 200 million nerve fibers. It allows for communication between the right and left hemispheres of the brain. The corpus callosum is the largest single structure in the brain. Agenesis=Absence or incomplete development of an organ or body part.
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What is the following pathways is the largest of the circulatory system? The blood vessels of the body are functionally divided into two distinctive circuits: pulmonary circuit and systemic circuit.
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Circulatory system Pulmonary circulation is the movement of blood from the heart, to the lungs, and back to the heart again. Deoxygenated blood leaves the heart, goes to the lungs, and then re-enters the heart; Deoxygenated blood leaves through the right ventricle through the pulmonary artery.ulmonary circulation is the portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart.
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Respiratory and circulatory systems The body's circulatory system has three distinct parts: pulmonary circulation, coronary circulation and systemic circulation. Pulmonary circulation is the movement of blood from the heart, to the lungs, and back to the heart again. Coronary circulation refers to the movement of blood through the tissues of the heart.
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- The circulatory system comprises of the heart, the lungs and the  blood vessels. The main objective of the circulatory system is  transporting oxygenated (rich saturation of oxygen) blood around  the body. The de-oxygenated blood enters through the vena cava and  into the right atrium of the heart.
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Circulatory Routes The largest artery in the body, the aorta originates. from the left ventricle of the heart and extends down to the. abdomen, where it branches off. Aortic arch: The second section of the aorta; it branches into. the brachiocephalic trunk, left common carotid artery, and. left subclavian artery. Aortic valve:
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superior vena cava superior vena cava, the second largest vein of the body, returning deoxygenated blood from the upper half of the body to the right atrium. It is about 2 cm in diameter and 7 cm long.
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Circulatory System: Mollusca Circulatory System: Mollusca. Most animals within the Mollusca Phylum have an open circulatory system. Cephalopods have a closed circulatory system. Within a open circulatory system blood is not restricted to circulating within the blood vessels.lug's and Snail's have a very similar circulatory system. The fluid that is transported through the circulatory system of a Slug is called hemolymph. Hemolymph is a fluid in the circulatory system and is similar to the fluids and cells making up both blood and interstitial fluid including water, proteins, and fats.
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Right pulmonary artery The pulmonary artery begins at the base of the heart's right ventricle. It is approximately 3 cm in diameter and 5 cm in length and it eventually divides into the left pulmonary artery and the right pulmonary artery.These arteries then deliver oxygen-depleted blood to each corresponding lung.ight pulmonary artery. The pulmonary artery begins at the base of the heart's right ventricle. It is approximately 3 cm in diameter and 5 cm in length and it eventually divides into the left pulmonary artery and the right pulmonary artery. These arteries then deliver oxygen-depleted blood to each corresponding lung.
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-   The aorta is the largest blood vessel in the body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. The aorta is the main (largest) artery of the circulatory system. The Vena Cava carrys de oxygenated blood that is returning from the body and into the right atruim of the heart and the Aorta is the largest artery of the body which tr … ansports oxygenated blood to the rest of the body.     Hope this helps.     Shirley. 2 people found this useful.
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Circulatory Pathways Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart.orta. The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body. Atria. The chambers of the heart, to which the blood returns from the circulation.