How does the skin function as a part of the excretory system?
A. By removing nitrogenous wastes
B. By removing bilirubin
C. By removing carbon dioxide
D. By removing salts, lactic acid, and urea
Answer: D
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By the end of the Thirty Years' War, the balance of power in Europe
a. had completely collapsed, leaving nearly every European country in political and economic turmoil b. was moving away from secular monarchs and into the hands of religious organizations such as the Roman Catholic church c. remained in the hands of the Habsburg rulers of Spain and Austria despite challenges from Protestant powers such as France and England d. had shifted away from the Habsburg powers toward France, England, and the Dutch Republic
Which of the labeled structures in the diagram is a pain receptor?
a) A b) B c) C d) D e) E
"Complement" refers to a group of
A. white blood cells. B. antibodies. C. plasma proteins. D. molecules on the surface of pathogenic microbes.
What cells contribute to the process of calcification during intramembranous ossification?
A) osteocytes B) osteoblasts C) keratinocytes D) osteoclasts