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Question
Biology
Posted 6 months ago
If blood enters the right atrium from the superior vena cava what will be the blood flow direction to reach the lungs? use shapes, signs, pictures, arrows or any other way to show the flow.
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Answer from Sia
Posted 6 months ago
Answer
The blood flow direction from the right atrium to the lungs is: right atrium → tricuspid valve → right ventricle → pulmonary valve → pulmonary artery → lungs.
Solution
a
Right atrium: Blood enters the right atrium from the superior vena cava
b
Tricuspid valve: Blood flows from the right atrium through the tricuspid valve to the right ventricle
c
Right ventricle: The right ventricle pumps the blood out through the pulmonary valve
d
Pulmonary valve: Blood passes through the pulmonary valve into the pulmonary artery
e
Pulmonary artery: The pulmonary artery carries the blood to the lungs where it gets oxygenated
Key Concept
The direction of blood flow through the heart to the lungs is a one-way path involving several key structures.
Explanation
Blood flows from the right atrium to the lungs through a series of valves and chambers that ensure unidirectional flow and prevent backflow.
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