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The circulatory system consist of three independent system that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessel (systemic).
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The system is responsible foy the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
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Pumps blood around the body. It sit inside the chest. Is actually a doble pump made up of four chabers, with the flow of blood going in one direction due to the presence of the heart valves. The contrations of the chambers make th sound of heartbeats
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The rigth upper chamber (atrium) takes in deoxygenated blood tht is le wth carbon dioxide. The blood is squeezed down into the rigth lower chanbert (ventricule) and taken by an artery to the lungs where the carbon dioxides is replaced with oxygen.
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The oxygenated blood travels back to the heart, this time entering the left upper chamber ( atrium). It is pumped into the left lower chamber (ventricle) and the into the aorta. The blood starts its journey around the body once more.
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Blood pressure refers to the amount of pressure inside the circulatory system as the blood is pumped around
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The pulmonary system consist of upper and lower pulmonary structures, bronchial/systemic circulation, and gas exchange at the level of the lungs and tissue cells.
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These anatomical structures work together to achieve two main goals: delivery of oxygen and removal of carbon dioxide.
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The pulmonary circulation is unique in that oxygenated blood is carried by veins, as opposed to arteries. The lungs receive deoxygenated blood from the heart via the pulmonary artery and return oxygenated blood via the pulmonary vein
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The systemic circulation is the part of the vascular system that carries blood from the left ventricle to organs and tissues of the body.As outlined above, the aorta is the major artery of the systemic circulation. It extends down the length of the chest and abdomen and reaches the pelvis dividing into two branches, the iliac arteries.
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Veins collect blood from the capillaries of tissues and organs. The large veins drain into the superior and inferior vena cavae that return to the right atrium.
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