★ Respiratory System Quiz
The main function of the respiratory system is to
A. Expel oxygen
B. Bring carbon dioxide to living cells
C. Clean and filter the blood
D. Provide a means for gas exchange
Select your answer:

Topics:
Arteries Population Genetics Children Well-being Mental Health Pathogens, Disease and Immunity Respiratory Diseases Vitamin Diabetes Mellitus Virus The Teeth Endocrine System Disorders Nerve Injuries in Oral & Maxillofacial Surgery Diagnostic Tools Nervous System: Diseases/Problems/Illnesses Pulmonology/RespiratoryOther quiz:
Human Circulatory System › ViewLeft atrium receives oxygenated blood through
A. Coronary artery
B. Aorta
C. Pulmonary artery
D. Pulmonary vein
Eye or Nose Injuries › View
Which of these is NOT a major sign of a nasal fracture?
A. Obvious deformity
B. Nosebleed
C. Mobiltiy
D. Crepitus