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★ Circulation of Blood Quiz
Which organ passes oxygen to the blood?
A. lungs
B. pharynx
C. bronchus
D. diaphragm
Select your answer:

Welcome to MedicalQuiz.Net - 31,531 Multiple Choice Medical Quizzes
Which organ passes oxygen to the blood?
A. lungs
B. pharynx
C. bronchus
D. diaphragm
Select your answer:
