Which of the following is an example of a positive feedback loop?
A) The kidney retaining water when the organism becomes dehydrated
B) A hummingbird maintaining a constant internal body temperature
C) Stress altering the normal menstrual cycle, which delays menstruation, thereby causing more stress
D) A person altering her breathing rate to keep blood pH between 7.35 and 7.45
Correct Answer:
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Q4: Groups of tissues that function together form
Q5: Most body systems maintain homeostasis through_ systems.
A)
Q6: The basement membrane in epithelial tissue
A) transmits
Q7: Which tissue is characterized by a basement
Q8: Similar cells that perform a particular function
Q10: The mucus that traps dust particles in
Q11: In stratified epithelium, such as the epidermis
Q12: Which of the following controls the temperature
Q13: One biological example of a positive feedback
Q14: What is a gland?
A) A cluster of
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