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Human Physiology, 7/e
Stuart I Fox, Pierce College
The Study of Body Function

Critical Thinking Exercises

Please answer all questions



1

How would you go about determining the normal value for potassium in human blood?
2

In childbirth, the force and rate of contractions increases as the child is being born. Is this an example of positive or negative feedback?
3

Do you think the muscles that cause your eyelid to blink are skeletal, cardiac, or smooth?
4

What kind of glands are the ceruminous (earwax) glands?








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