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Explain Length-Tension Relationship
The force of contraction of cardiac muscle is directly proportional to the initial length of the muscle fibers. This is known as the Starling’s Law of the Heart after the scientist Frank Starling. In practice, the length of the - cardiac muscle increases when the venous return increases. Hence, an increase in venous return increases the force of contraction of the ventricle. This property has several implications for cardiovascular function and would be discussed in greater detail as we read along.
What are the three major types of rocks? Ans) The three kinds of rocks are as follows: 1) Igneous rock (from volcanoes etc) 2) Sedimentary rock (Dead Sea creatures, time
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Explain the Hypoxic Hypoxia It is a hypoxia resulting from defective oxygenation of the blood in the lungs. It is a problem in high altitudes where pO 2 of the arterial blood
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b) discuss briefly the scientific and technical achievements of the bronze age
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Minerals: Our bones and teeth contain large amounts of calcium. An adult has a total of about 1 kg of calcium and a baby has about 30g in their bones. So, during the period o
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