Endocrine controls require duration rather than speed
Indicate whether the statement is true or false
T
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This figure shows an example of regulation of hormone secretion by a negative feedback loop. The large box labeled 1 represents the initial stimulus. What endocrine glands are indicated by the letters d and e?
A. d = hypothalamus, e = posterior pituitary B. d = thalamus, e = anterior pituitary C. d = hypothalamus, e = anterior pituitary D. d = hypothalamus, e = thyroid gland E. d = thalamus, e = posterior pituitary
Epinephrine accounts for 80% of total release of catecholamines by the adrenal medulla
Indicate whether the statement is true or false
The reason for the reddish tint seen in lightly pigmented skin is the molecule formed by the combination of oxygen and melanin.
Answer the following statement true (T) or false (F)
"Normal" body temperature may vary slightly as a result of
a. exercise b. the menstrual cycle c. the time of day d. exposure to extremes in environmental temperature e. all of the above