4601 Fall 2017 2 Extended and with response- Respond to each of the tollowig que

Question

4601 Fall 2017 2 Extended and with response- Respond to each of the tollowig question. You may use the back of the page it questons all parts of eachh detail. Be sure to read and answer may use the b ou are a of the page if you need more room for your response high-altitude. Organism A lives at 15,.000 teet eleti bqualy aerobicalyect to find int r adaptations that organisms exhibit to feet elevation whereas organism B lives at organisms are both equally aerobically active (and al that both other things about them count, hematocrit are similar), what differences might you expect to find in the and hemoglobin levels between the two organisms? Why? firing frequency as as motor unit size to control the force production of a muscle? Consider what a. Action potential frequency did not change muscle fiber contraction and the 2. Why do you think that your body uses both different motor axon would happen in each of the following scenarios: only way to change force production was through motor units of different sizes. b. There was one motor unit for the whole muscle and frequency of motor axon firing was the only way to change force production.

Explanation / Answer

1. As we go higher and higher the oxygen levels of air decreased so there is decreased availability of oxygen to lungs. As a compensatory mechanism there is Increased erythropoietin of kidneys which triggers the production of RBC.

Hemotocrit value is defined as the Ratio of RBC to ratio of whole blood cells. So the hematocrit value also increased in high altitude.

The amount of hemoglobin also increases in high altitude.

So all the above values are increased in high altitude organism when compared to normal sea level organism.

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