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Explain how calligraphy functioned as an art form, both as the written word and pure decoration and pattern. How does it express the nature of Islam as a religion?
Left Ventricle
The chamber of the heart that receives oxygen-rich blood from the left atrium and pumps it out to the body through the aorta.
Ventricular Systole
Ventricular systole is the phase of the cardiac cycle during which the ventricles contract, pumping blood out of the heart and into the circulatory system.
Semilunar Valves
Heart valves located between the ventricles and the major arteries leaving the heart, which prevent the backflow of blood.
AV Valves
Atrioventricular (AV) valves are valves located between the atria and ventricles of the heart that prevent backflow of blood from the ventricles into the atria during contraction.
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