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Excretion › ViewWhich of the following statements about uric acid is true?
A. Uric acid is more soluble in water than urea
B. The darker material in bird droppings is mostly uric acid
C. Animals that excrete uric acid avoid the problem of dehydration associated with the excretion of urea
D. Uric acid cannot be excreted because of its toxicity
Anatomy & Physiology: Respiratory › View
The left lung has ___ lobes, and the right lung has ___ lobes.
A. 3; 4
B. 1; 3
C. 3; 2
D. 2; 3