2/20/26, 11:56 AM PhysioEx Exercise 6 Activity 3
PhysioEx Lab Report
Exercise 6: Cardiovascular Physiology
Activity 3: Examining the Effect of Temperature on Heart Rate
Name: Morris
Date: 20 February 2026
Session ID: session-
Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1 Organisms that usually maintain the same internal body temperature in spite of
environmental temperature changes are
You correctly answered: homeothermic.
2 The general name for the process that maintains the internal body temperature in humans
is
You correctly answered: homeostasis.
3 The electrolytes in a Ringer's solution are required to
You correctly answered: provide for autorhythmicity.
4 An internal body temperature that is above the normal range is
You correctly answered: hyperthermic.
Experiment Results
Predict Questions
1 Predict Question 1: What effect will decreasing the temperature of the Ringer's solution have
on the heart rate of the frog?
Your answer: decrease in heart rate.
2 Predict Question 2: What effect will increasing the temperature of the Ringer's solution have
on the heart rate of the frog?
Your answer: decrease in heart rate.
Stop & Think Question
1 What effect do you think a fever of 104°F would have on heart rate?
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex6/act3/ 1/3
PhysioEx Lab Report
Exercise 6: Cardiovascular Physiology
Activity 3: Examining the Effect of Temperature on Heart Rate
Name: Morris
Date: 20 February 2026
Session ID: session-
Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1 Organisms that usually maintain the same internal body temperature in spite of
environmental temperature changes are
You correctly answered: homeothermic.
2 The general name for the process that maintains the internal body temperature in humans
is
You correctly answered: homeostasis.
3 The electrolytes in a Ringer's solution are required to
You correctly answered: provide for autorhythmicity.
4 An internal body temperature that is above the normal range is
You correctly answered: hyperthermic.
Experiment Results
Predict Questions
1 Predict Question 1: What effect will decreasing the temperature of the Ringer's solution have
on the heart rate of the frog?
Your answer: decrease in heart rate.
2 Predict Question 2: What effect will increasing the temperature of the Ringer's solution have
on the heart rate of the frog?
Your answer: decrease in heart rate.
Stop & Think Question
1 What effect do you think a fever of 104°F would have on heart rate?
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex6/act3/ 1/3
