Anatomy And Anatomy

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ANATOMY AND ANATOMY

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DISCUSSION

What caused the change in HR with exercise

The heart rate goes up with the practice, this is because. During the exercise, there was an increase in muscle activity which leads to an increase in the CO2 and other metabolic wastes in the muscles that needed to be removed. Therefore, this leads to the reqirement of more oxygenated blood that could help distribute to the want for the muscles during the activity. This intern caused an increase in the heart rate (Wilcox, B. R., Cook, A. C., Anderson, R. H. 2005).

Discuss the effects of venous return and heart rate on the exercise EDV.

In the course of doing the practice, the sequential pump of the muscles leads to the venous return by the high pressured blood along the singled way valves which get into the heart. Similarly, the rapid lung functionality will develop a change in the thoracic pressure which facilitates the movement of the blood to the heart (Anderson, R. H., Brown, N. A. 1996, p. 3). Exercising your body frequently improves the venous return by adding the volume of the blood in the body, improves the end-diastolic amount and finally, it helps in the increase of the size and the contraction ability of the heart muscles. Frequent exercise also increases the number of the blood capillaries at the organs where the oxygen and the carbon IV oxide are interchanged, therefore will help in the reduction of the peripheral resistance (Anderson, R. H., Brown, N. A. 1996, p. 4).

What caused the change in ESV volume with exercise

This was due to high amount of blood that was being distributed out of the body and used at the peripheral capillary level.

Why did SV change with exercise

The SV increased because of the added strain of the stressed heart to distributed oxygenated blood around the body since CO2 had accumulated the muscles and needed to be removed.

Discuss the importance of the change in CO2 with exercise

Improving the cardiac output permits a person to have a minimized heart rate during a physical exercise. Adding up to the pressure that has been imposed on the body in case it is serving a standard amount of flow for some time. And this will be of help since it minimizes the relaxing rate, therefore, it causes minimized pressure to the cardiovascular system allowing the body to function more effectively (Wilcox, B. R., Cook, A. C., Anderson, R. H. 2005).

Restate your predictions that were correct and give data from your experiment that support them. Restate your predictions that were not correct and correct them, give supporting data from your experiment that supports your corrections.

The predictions are as follows from the previous reports. The heart rate will rapidly increase and this is to the want for the removal of the waste materials and CO2 from the muscles to minimize fatigue. Therefore there will be the need to deliver a lot of oxygenated blood to cleanse the muscle (Anderson, R. H., Brown, N. A. 1996, p.5).

Similarly, during the exercise, the SV will increase due to the effect with an increased heart pressure to distribute oxygenated blood to the entire body to replace the removed deoxygenated blood.

Finally during the exercise to there would be an increase in the production of CO2 to the quantity of the blood supplied that is required to equalize homeostasis

APPLICATION

We measured the stroke volume of the left ventricle. What was the average stroke volume of the right ventricle at rest and after exercise

The predictions are as follows from the previous experiment. The stroke volume should be the same for each ventricle at rest that is at 72,149. It might also be reflected or greater compared to the left since the right side is the accumulation section with the deoxygenated blood from all over the body and also considered to be the first holding room when the exchange of gases between the blood begin (Wilcox, B. R., Cook, A. C., Anderson, R. H. 2005).

Assume that for one beat, the stroke volume of the left ventricle is greater than that of the right ventricle. Explain why in a normal heart this would be corrected on the next beat.

The predictions are as follows from the previous experiment. The electrical functionality in the heart will stanadrdize the expansions and contractions of the ventricles ocuupied and released to acqiuire the bodys want for oxygen.

Similarly, it is an intense system that transports the blood from one point to another. In case it is not rectified, the left ventricle may become empty cannot, therefore, supply oxygenated blood around the body. Therefore possibly causing vapor lock.

Explain why elite athletes have a lower than heart rate, yet have a higher than normal ability to increase cardiac output.

in their practice, they improve their cardiac muscle, thereby reducing the hearts activity at rest, though with practice, it will maintain stronger contraction to meet the bodys demand for oxygen therefore eliminating carbon IV oxide.

Similarly, cardiac ability adapts during the training program. Where there will be the addtion of the ventricle size, reduced activity heart rate hence more stroke volume (Wilcox, B. R., Cook, A. C., Anderson, R. H. 2005). There making the heart to maintain high cardiac accommodation.

References

Wilcox, B. R., Cook, A. C., Anderson, R. H. (2005).Surgical anatomy of the heart. Cambridge University P

Anderson, R. H., Brown, N. A. (1996). The anatomy of the heart revisited.The Anatomical Record An Official Publication of the American Association of Anatomists,246(1), 1-7.ress.

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