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  • Oxygenated blood is brought from the lungs to the left atrium by   Option: 1 Systemic aorta

Oxygenated blood is brought from the lungs to the left atrium by 

 

Option: 1

Systemic aorta

 


Option: 2

Pulmonary vein

 


Option: 3

Postcaval 

 


Option: 4

Precaval

 


Answers (1)

best_answer
 

Blood vessels 

  • The four chambers of the heart are directly connected with the following major blood vessels

1. Systemic aorta or systemic arch -  It originates from the left ventricle and distributes oxygenated blood to various body parts except lungs.
2. Pulmonary trunk or pulmonary arch - It originates from the right ventricle and gets divided into two pulmonary arteries that carry deoxygenated blood to lungs
3. Superior vena cava or precaval - It brings deoxygenated blood from head and upper parts of the body into the right atrium 
4. Inferior vena cava or postcaval - It brings deoxygenated blood from the lower parts of the body into the right atrium
5. Pulmonary vein - These are four in number ( i.e. two from each lung) and bring oxygenated blood from the lungs to the left atrium 
6. Coronary veins or coronary sinus - These return deoxygenated blood from heart wall into the right atrium
 

- wherein

Pulmonary vein are four in number ( i.e. two from each lung) and bring oxygenated blood from the lungs to the left atrium. Hence, the correct answer is option b.

Posted by

Suraj Bhandari

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