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Human Circulatory System › ViewWhat is the main function of the heart in the human circulatory system?
A. Regulating body temperature
B. Producing antibodies
C. Filtering waste from the blood
D. Transporting oxygen to the body
Cardiorespiratory or Vascular Systems › View
What is the function of the pulmonary veins?
A. Carry oxygen-poor blood from the heart to the lungs
B. Return deoxygenated blood to the heart from the head and arms
C. Collect oxygen-rich blood from the lungs and carry it to the heart
D. Transport venous blood from the abdomen to the heart