Which of the following acts as an antioxidant within the body?
An individual with bulging eyes may
A.be secreting inadequate thyroid hormone.
B.be secreting excessive thyroid hormone.
C.be secreting inadequate cortisol.
D.be secreting excessive cortisol.
What structures keep the AV valves from everting under high ventricular pressure?
A. annuli fibrosis
B. interventricular and interatrial septa
C. papillary muscles and chordae tendineae