The normal body temperature of a healthy human is maintained at about
Correct answer: C. 37 degrees Celsius
- A. 25 degrees Celsius
- B. 30 degrees Celsius
- C. 37 degrees Celsius
- D. 42 degrees Celsius
Explanation
Enzymes of the body work best near 37 degrees, and the hypothalamus holds temperature within a degree of this set point. Sustained values several degrees away in either direction are dangerous.
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About Kidney and Urinary System
The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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