2 blood vessel of the heart questions-help I am studying for an exam tomorrow.....?

what are the major blood vessels that return blood to the right atrium of the heart?

what are the major blood vessel that provide nutrition to heart muscle tissue?
thanks

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Answers:

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> what are the major blood vessels that return blood to the right atrium of the heart?

superior vena cava and inferior vena cava

>what are the primary blood vessels that provide nutrition to heart muscle tissue?

coronary arteries which are divided into
- Right coronary artery (RCA)
It branches into
a) posterior descending artery
b) right marginal artery
- Left coronary artery
It branches into
a) circumflex artery
b) left anterior descending artery (LAD)

http://my.clevelandclinic.org/Publishing…

http://www.healthsystem.virginia.edu/uva… Source(s): med student

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1. Superior vena cava (which returns the blood from every body part above the heart including the arms.
and Inferior vena cava (which returns the blood from every body bit below the heart.
Here's a diagram so you can get a visual: http://www.heart-health-weightwatcher.co…

2. Capillaries Source(s): AP Bio graduate,

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