Biology
Which one of the following completes the given statement correctly ?Cretinism is a human disorder which is due to the under secretion of

Cortisone hormone
Glucagon hormone
Adrenalin hormone
Thyroxin hormone

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Biology
Which one among the following statements is correct ?

All arteries carry oxygenated blood
Except the pulmonary vein, all other veins carry oxygenated blood
Except the pulmonary artery, all other arteries carry oxygenated blood
All veins carry oxygenated blood

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