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Excretion › View

Which of the following statements regarding freshwater fish is true?

A. Freshwater fish frequently drink to obtain salt ions

B. Freshwater fish do not produce urine

C. Freshwater fish use their gills to actively take up salt ions

D. Freshwater fish lose water through their gills by osmosis

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Heart › View

The Frank-Starling law of the heart states that an additional stretch of the myocardium produces a significant increase in __________ on the next beat.

A. contraction force

B. afterload

C. electrical activity

D. None of the choices are correct.

E. cardiac reserve

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