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  •  Inferior vena cava  Option: 1 brings deoxygenated blood from head and upper parts

 Inferior vena cava

 

Option: 1

brings deoxygenated blood from head and upper parts of the body into the right atrium 

 


Option: 2

brings deoxygenated blood from the lower parts of the body into the right atrium

 


Option: 3

return deoxygenated blood from heart wall into the right atrium

 


Option: 4

 distributes oxygenated blood to various body parts except lungs.

 


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

Inferior vena cava or postcaval brings deoxygenated blood from the lower parts of the body into the right atrium. Hence, the correct answer is option b.

Posted by

Ajit Kumar Dubey

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