What is responsible for bringing oxygen-rich blood to the left atrium of the heart? pulmonary veins

left atrium

right ventricle

left ventricle

pulmonary veins

Explanation:

the pulmonary veins transfers both the oxygen poor and the oxygen rich blood to the and from the heart. while the oxygen-rich blood goes through the left atrium the oxygen-poor gets channeled by the pulmonary artery . the pulmonary artery goes to the lungs which is where is receives the oxygen ( hope this helps )

what do we need our phalanges for?

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.