Question

multiple choice question
the oxygen - rich blood in the systemic circuit leaves the ____ of the heart via arteries. the veins return blood to the ____ of the heart to complete the circuit.
o left ventricle; right atrium
o right ventricle; right atrium
o right ventricle; left atrium
o left ventricle; left atrium

Explanation:

In the systemic circuit, oxygen - rich blood leaves the left ventricle of the heart through arteries. Veins return de - oxygenated blood to the right atrium to complete the circuit.

Answer:

A. left ventricle; right atrium