Pumping denser blood causes the heart to be strained and waste product become cocentrated in the body. What is the cause of problems?
Correct answer: D. Dehydration
- A. Excess of water
- B. Deficiency of minerals.
- C. Deficiency of Minerals
- D. Dehydration
Explanation
Sometimes whole sentence is just for distracting the student, but you have to figure out which is important point. Like in this question denser blood.
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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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