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What factors affect the likelihood of hypertension

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Reference no: EM133097071

Cardiovascular System Lab - THE HEART

Label the Heart

1588_Label the Heart.jpg

Measuring Pulse Rates

My Resting Heart Rate (Pulse Rate) is_________________ bpm

1. Perform moderate exercise, such as jumping jacks, for 3 minutes.

2. Determine your pulse rate immediately after exercise.

My Heart Rate (Pulse Rate) Following Moderate Exercise is _________________bpm.

What effect does moderate exercise have on your heart rate? Why is heart rate altered by physical activity?

Research Question: What factors affect the likelihood of hypertension?

Post Lab Questions:

1. Based on your results, how does age and gender affect blood pressure?

2. Did your results confirm your predictions?

3. Mammals and birds have four-chambered hearts and fully divided pulmonary and systemic circulations. The circulatory systems of reptiles and amphibians are sometimes presented as "inferior" because pulmonary and systemic circulations are not completely separate. What might be an advantage to incompletely separated circuits in these organisms?

4.Refer to the figure.
1. Sinoatrial (SA)Node.
2. Atrioventricular bundle of His
3. Atrioventricular (AV) Node
4. Purkinje fibers
5. Ventricles (Lower heart chambers)
6. Left atrium.
7. Right atrium
8. Right ventricle

Based on the figure, which represents the correct direction of the formation of the heartbeat?

5. Why is blood circulation in crocodiles not as efficient as in humans?

6. What happens to a patient with a damaged bicuspid (Mitral valve)? Explain your answer.

Reference no: EM133097071

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