Human Anatomy Study Set 3
Quiz 22: Heart
All Cardiac Veins Eventually Drain into the Coronary Sinus for Return
All cardiac veins eventually drain into the coronary sinus for return of the blood from the myocardium to the right atrium.
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No matter the cause,hypertrophy of the heart causes it to work less efficiently.
One reason that necessitates the relatively early development of the heart is that the embryo has become too large to receive adequate nutrient supply by diffusion alone.
The embryonic heart actually begins working before its development is complete.
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