★ Respiration Anatomy and Physiology Quiz
a cartilaginous structure that allows air to pass from the nose and mouth into the lungs
A. trachea
B. bronchi
C. lungs
D. ribs
Select your answer:

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Cardiorespiratory or Vascular Systems › ViewWhere is oxygenated blood returned to after leaving the lungs?
A. Right atrium
B. Left ventricle
C. Right ventricle
D. Left atrium
Endocrine System › View
Insulin and glucagon;
A. Are secreted by the beta cells of the islets of Langerhans
B. Elevate blood glucose
C. Are secreted in response to declining plasma levels of glucose
D. Are secreted by the pancreas and are concerned with the regulation of blood glucose