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Lab Assignment

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Lab Assignment
Instructions Assignment 4

A. Part A – Location of the Heart and Heart Valves
Exercise 27 Activity 1 Surface Features of the Heart and Location (7 points total) Lab Activity 2
Insert a photo of the following marked on your shirt (use tape and labels or plastic instead of marking on your shirt). 1. The 4 corners of the heart (1 point each corner) and draw the outline of the heart (0.5 point). 2. The position of the heart valves (2 points). 3. Outline the aortic arch. (0.5 point)

B. Part B. PowerPhys Experiment 4 – Effect of Exercise on Cardiac Output (13 points total)
Complete the experiment and save the PDF lab report. Do not answer the questions in the PDF lab report. Use the data in the PDF lab report to answer the questions below. You must submit the PDF lab report with the assignment. The PDF lab report must contain your name and date to be valid. The PDF lab report is worth 1 point.

PDF Lab Report (1 point). Name and date must be typed into lab report (can only type in name if you complete the experiment)

Results: Resting and Exercising Cardiac Cycle Length, EDV, and ESV (4.5 points) 1. Resting and exercising cardiac cycle length. (1.5 points) a. What was the average resting cardiac cycle length
830 msec b. What was the average exercising cardiac cycle length
426 msec c. Did average cardiac cycle length increase, decrease, or not change with exercise? decrease 2. Resting and exercising EDV (1point) d. What was the average resting EDV?
138ml
What was the average exercising EDV?
139ml
e. Did average EDV increase, decrease, or not change with exercise?
Increase
3. Resting and exercising ESV (1 point) f. What was the average resting ESV?
72ml
What was the average exercising ESV?
34ml

g. Did average ESV increase, decrease, or not change with exercise? Decrease
Results: Resting and Exercising HR, SV, and Cardiac Output (4.5 points) 4.

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