Heart Structure
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Transcript of Heart Structure
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Heart Structure
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Blood travels through the heart twice before returning to the body
The double circulatory system
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External view of the heart
pulmonary artery
pulmonary vein
coronaryartery
left ventricle
right ventricle
inferior vena cava
right atrium
pulmonary vein
aorta
superiorvena cava
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The vena cava carries deoxygenated blood from the body to the right atrium
superior vena cava(transports blood from the head)
inferior vena cava(transports blood from rest of body)
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The right atrium collects deoxygenated blood and pumps it to the right ventricle
right atrium
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The right ventricle pumps deoxygenated blood to the lungs
right ventricle
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The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs
Pulmonary Artery
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The septum separates the left and right sides of the heart
septum
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The pulmonary veins carry oxygenated blood from the lungs to the left atrium
Pulmonary veins
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The left atrium collects the oxygenated blood and pumps it to the left ventricle
Left atrium
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The left ventricle pumps oxygenated blood to the body via the aorta
Left ventricle
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The aorta carries the oxygenated from the left ventricle to the rest of the body
Aorta
Aortic arch
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Atrio-ventricular valves prevent backflow of blood into the atria when ventricles contract
Bicuspid valve(mitral valve)
Tricuspid valves
Tendon
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The semi-lunar valves prevent backflow of blood from the arteries into the ventricles
Aortic semi-lunar valve
Pulmonarysemi-lunar valve
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Summary Quiz
Identify the part of the heart indicated by an arrow .There are 10 questions in total.
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Answers1 left ventricle2 vena cava3 right atrium4 pulmonary artery5 aorta6 pulmonary vein7 left atrium8 atrio-ventricular (tricuspid) valve9 semi-lunar (aortic) valve10 right ventricle
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Finish