Negative feedback operates to prevent any change in the value of a controlled factor in the body
Indicate whether the statement is true or false
F
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The cochlea of each ear contains about 16,000 hair cells. Even though they are in the minority, it is the ____________ hair cells that are principally responsible for transducing sound waves into what we perceive as sound sensations
a. outer b. inner c. utricular d. saccular e. ampullar
The hypothalamus and the limbic system are involved in _____
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a role of estriol in parturition?
A. Produces more receptors for prostaglandins B. Produces more gap junctions between myometrial cells C. Produces the hormone relaxin D. Produces more receptors for oxytocin
Sympathetic activation leads to all of the following except
A) vasoconstriction to digestive organs. B) vasodilation to skeletal muscle. C) increased heart rate. D) increased release of insulin. E) increase in alertness.