Biology - HOT Science Lab

Teacher
During
activity:
After
activity:
What the teacher will do:
a. Once the base line reading has been established, the student can be
directed to undergo the treatment phase. Treatment consists of performing
specific exercise as determined by the procedures. After the exercise
phase, the student can be directed to stand quietly next to the lab station to
begin the recovery phase.
b. As you walk around the room, question students on general concepts and
ideas. Examples:
1. What is the resting heart rate
2. How a person‘s vital sign can be an indicator about their health
3. What are realistic base line values for vital signs
4. What are some vital sign values that indicate if the person is in good
physical shape
5. What are some vital sign values that indicate that the person‘s vital
signs are showing a person in poor health
c. As you walk around the room, question students on station specific
concepts and ideas. Examples:
Exercise Stimuli:
1. What are some of the reasons that the heart rate changes with increase
exercise
2. Does the level of physical fitness have an effect on how quickly a
person‘s heart rate recovers after exercise
3. Describe what is changing within the muscles as you exercise.
4. What organs, besides the heart have increased use during exercise
5. Do you expect to have an upper limit on increasing heart rate as you
exercise Why/why not
Baroreceptor Stimuli:
1. How much and in which direction (increase or decrease) did the heart
rate change as a result of standing Squatting
What the teacher will do:
Have the students share results with other students and have a class
discussion about data, graphs, and conclusions.
Extension:
Gizmo: Circulation System
Biology HSL Page 138
Curriculum and Instruction