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Trace the flow of blood through from the inferior vena cava all the way to the aorta. Be sure to include all the structures.
The human circulatory system is one of the major eleven organ systems in the human body and is responsible for the circulation of blood through the body. It is also called the vascular system or the cardiovascular system. The main components of the circulatory system are blood, blood vessels and heart. The blood circulating through the circulatory system is responsible for the transport of oxygen and nutrients to the cells, and removal of carbon dioxide and toxic metabolic waste from the cells.
The heart is a muscular organ located slightly toward the left side of the breastbone. It is the main organ of the circulatory system and is responsible for pumping blood into the blood vessels.The size of the heart is approximately equivalent to the size of fist The specialized cells of the heart include cardiomyocytes and pacemaker cells. The rhythm at which the heart is pumped is controlled by the pacemaker cells. These cells have the ability to get excited and generate current that causes the contraction of the heart, thereby pumping the blood into the vessels.
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- Differentiate between artries and veins.arrow_forwardFill in the table below by indicating the organ, region or vessel that the named vessel receives blood from, and the organ, region or vessel to which it delivers blood (see example for aorta and coronary arteries). If you’re doing it right, both columns will have the same answer. You will need to refer to the images in your textbook and lab models to do this. VESSELS OF THE THORACIC CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein Aorta entire systemic circuit entire systemic circuit vena cava inferior & superior coronary left & right myocardium coronary left & right Brachiocephalic Brachiocephalic subclavian left & right subclavian left & right Intercostals azygos (not pictured) Pulmonary Pulmonary VESSELS OF THE ABDOMINAL CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein celiac trunk…arrow_forwardblood must pass through this valve before moving from the left ventricle into the systemic circulation :arrow_forward
- Drag the steps below and place them in the order of blood flow through the heart. First: Second: Third: Fourth: Fifth: Sixth: Seventh: Eighth: Ninth: Tenth: Flows through right atrial ventricular valve (tricuspid) Blood back flowing in aorta toward heart enters coronary circulation Flowing into the right atrium Out the aortic semilunar valve into the aorta Back to heart through the pulmonary veins to the left atrium Into the right ventricle Into the left ventricle Left atrium through left atrial ventricular valve (BICUSPID OR MITRAL) Out the pulmonary semilunar valve through the pulmonary arteries to lungs To the body through the aortic branchesarrow_forwardThe right and left coronary arteries arise from where? Thoracic aorta, base of the aorta, superior vena cavae, or pulmonary arteryarrow_forwardBlood flows from the ascending aorta right into the thoracic aorta.TRUE or falsearrow_forward
- mr. Holmes, a 72-year-old Caucasian male, suffered a heart attack which resulted in damage to a papillary muscle holding down the mitral valve. As a result the mitral valve is prolapsing with each heartbeat, which enables the backflow of blood. Where is this blood back flowing to? left ventricle, left atrium, or the aorta.arrow_forwardList the blood vessels , in their correct order, as blood travels from the heart, to the posterior knee,and back to the heart.arrow_forwardIn an EKG, what does the QRS wave indicate? electrical signal over the ventricles first heart sound second heart sound electrical signal over the atriaarrow_forward
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