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natulia [17]
3 years ago
9

There are 92 naturally occurring how does this relate to the number of compounds?

Biology
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Elements 1 through 92 (except for elements 43 and 61) occur naturally on Earth, although some are only present in extremely small quantities. The elements following uranium on the periodic table are only produced artificially, and are known as the transuranium or transuranic elements.

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The semilunar valves of the heart open at the onset of the ejection period. Approximately what percentage of the stroke volume i
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The percentage of the stroke volume is ejected during the first quarter of systole will be approximately 60% to 65%

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The time interval between the atria contraction and the relaxation of ventricles are called as a Cardiac cycle. Systole denotes the heart contraction during the blood pumping. Diastole refers to the heart relaxation when the blood is filled in the heart chambers. The total blood is not fully pumped by the ventricles.

Instead they will pump only a proportion of blood in each of the cardiac cycle.  The ejection fraction refers to the proportion of the intraventricular volume that is received as a output in circulation process. A human with normal heart functioning can have approximately 60-65%. This is known to be stroke volume. The blood volume that is ejected is strove volume.

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OKAY I GUESS IM DONE FOR TODAY! ILL BE BACK TOMORROW THOUGH AND FRIDAY!​
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Ok Thanks have a wonderful day-night

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