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What is the correct route for blood flow in a human?



A. Left atrium → left ventricle → lungs → right ventricle → right atrium
B. Left atrium → left ventricle → right ventricle → right atrium → lungs
C. Right atrium → right ventricle → left ventricle → left atrium → lungs
D. Right atrium → right ventricle → lungs → left atrium → left ventricle

This question is part of Structure and Function of The Heart (Pretest)
Asked by Kartina, Last updated: Aug 11, 2020

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2 Answers

S. Barnes

Driving down to Knowledge town

S. Barnes, Chauffeur, Graduate, Seattle

Answered May 17, 2019

The correct answer to this question is D, Right atrium → right ventricle → lungs → left atrium → left ventricle. In the heart, the atrium is the upper chamber where blood enters the heart. The right atrium is connected to the venous circulation, while the left atrium is connected to the lungs.

Ventricles are in the lower chamber of the heart. The right ventricle receives blood and pumps it into the lungs. The left ventricle pumps blood into the circulation system. Lungs are organs on the sides of the chest. They are filled with air and pass oxygen through the bloodstream.

 

John Smith

John Smith

Answered Oct 25, 2016

Right atrium → right ventricle → lungs → left atrium → left ventricle
 

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