The onset of puberty is triggered by an increase in
A. sensitivity of the hypothalamus to negative feedback by sex steroids.
B. sensitivity of the pituitary to negative feedback by sex steroids.
C. sensitivity of the gonads to pituitary gonadotropins.
D. GnRH secretion.
E. sensitivity of the pituitary to GnRH.
Answer: D
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Which statement correctly describes what happens during inspiration?
A. The external intercostal and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape. B. The external intercostal, pectoralis major, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm relaxes to flatten its dome shape. C. The external intercostal, pectoralis major, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape. D. The external intercostal, pectoralis minor, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape.
To produce images of soft tissue in the body, ________ resonance imaging would be utilized.
Fill in the blank(s) with the appropriate word(s).
Norepinephrine stimulates cravings for carbohydrates, whereas endorphins stimulate cravings for proteins.
Answer the following statement true (T) or false (F)
In the brain, neurons are more abundant than neuroglia.
Answer the following statement true (T) or false (F)