Which of the following is NOT a function of the respiratory system?
A. Defense against microbes
B. Net uptake of carbon dioxide from the air and removal of oxygen from the blood
C. Regulation of blood H+ concentration
D. Trapping of blood clots
E. Phonation
Answer: B
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The first phase of hemostasis involves
A. blood vessel dilation. B. blood vessel constriction. C. relese of procoagulants. D. fibrinolysis.
Which is not true about spermatogenesis?
A. The process includes two meiotic divisions. B. The final stage of the process is called spermiogenesis. C. Mature spermatozoa are haploid (n=23). D. Spermatogenesis begins at birth and continues throughout a man's life. E. The process takes place in the walls of the seminiferous tubules.
The muscular system develops from the ________.
Fill in the blank(s) with the appropriate word(s).
What hormone stimulates uterine contractions during labor and milk-ejection during lactation?
A. ADH B. Oxytocin C. Luteinizing hormone D. Prolactin