Biology, 06.05.2021 22:50, helpmeXD

The contraction of the ventricles is referred to as (1), and the period of ventricular relaxation is called (2). The monosyllables describing heart sounds during the cardiac cycle are (3). The first heart sound is a result of closure of the (4) valves; closure of the (5) valves causes the second heart sound. the heart chambers that have just been filled when you hear the first sound are the (6), and the chambers that have just emptied are the (7). Immediately after the second heart sound, the (8) are filling with blood, and the (9) are empty. Abnormal heart sounds, or (10), usually indicate valve problems

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The contraction of the ventricles is referred to as __(1)__, and the period of ventricular relaxatio...