| Grades
9-12 Performance Task
Contributed by: Oregon State Department of Education
Homeostasis is the mechanism that maintains
balance in body systems. An example of this is
the cardiovascular system, in which levels in
the cells. Carbon dioxide levels are monitored
by the hypothalamus and results in changes of
pulse rate to optimize gas exchange from the lungs
to the cells. In this investigation, students
examine this feedback mechanism monitored by the
brain and how the normal pulse rate is affected
by a stressor, exercise.
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