You conduct an experiment on twenty 18-year-old male subjects to see how various intensities of exercise influence heart rate. Which of the following is/are considered a dependent variable?
A) heart rate
B) age of subjects
C) sex of subjects
D) intensity of exercise
E) More than one of the answers is correct.
A) heart rate
Anatomy & Physiology
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Non-shivering thermogenesis is accomplished by:
a. the lungs b. brown fat c. skeletal muscles d. the thalamus e. the thyroid
Anatomy & Physiology
What hormone is identical to prolactin-inhibiting hormone (PIH)?
a. melatonin b. ACTH c. serotonin d. dopamine e. luteinizing hormone (LH)
Anatomy & Physiology
The ureter directly receives urine from the _____ of the kidney.
A) cortex B) pelvis C) medulla D) pyramid
Anatomy & Physiology
Suturing a large wound
A. prevents scarring. B. increases scar formation. C. leads to wound contracture. D. allows healing by secondary union. E. reduces risk of infection and helps to heal faster.
Anatomy & Physiology