★ Breathing System Quiz
What is the main gas exchanged in the alveoli?
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. Water vapour
Select your answer:
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Cardiac & Diseases of Blood Flow › ViewThe release of renin activates:
A. Angiotensin ll
B. Aldosterone
Musculoskeletal System › View
Greenstick fracture means
A. Fracture through the epiphysis
B. Fracture that twist around the shaft
C. Fracture in which one side of a bone is broken and the other side is bend
D. Fracture occurring at an angle across the bone