Sperm production occurs in the ________ of the testes
A) lobules
B) nurse cells
C) interstitial cells
D) seminiferous tubules
D
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Superficial pain is highly localized, but visceral pain is diffuse because
A. the viscera has fewer pain receptors. B. the skin has more sensitive pain receptors. C. the viscera has fewer mechanoreceptors which give location information. D. visceral pain has less emotional involvement.
The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________
Fill in the blank(s) with correct word
Which of the following would NOT cause secondary amenorrhea?
a. being born without functional ovaries b. drastically reduced levels of body lipids c. severe depression d. extreme weight loss
As acidity increases, how does this affect the affinity of hemoglobin for the oxygen it carries?
A. Hemoglobin loses its affinity for oxygen. B. Oxyhemoglobin affinity decreases. C. Oxyhemoglobin affinity remains the same. D. Oxyhemoglobin affinity increases. E. None of the choices are correct.