Question

the left atrium ____________. a receives oxygen - rich blood from the pulmonary veins of the lungs b pumps oxygen - rich blood toward the body tissues c receives oxygen - poor blood from the body tissues d pumps oxygen - poor blood to the pulmonary arteries to the lungs

Explanation:

• The left atrium receives oxygen - rich blood.
• This oxygen - rich blood comes from the pulmonary veins of the lungs.
• Option B: The left ventricle pumps oxygen - rich blood toward the body tissues, not the left atrium.
• Option C: The right atrium receives oxygen - poor blood from the body tissues.
• Option D: The right ventricle pumps oxygen - poor blood to the pulmonary arteries to the lungs.

Answer:

A. receives oxygen - rich blood from the pulmonary veins of the lungs