True or false:
i. It is important for muscle cells to export lactate into the bloodstream during heavy exercise to prevent the accumulation of lactate in the muscles.
ii. The kidneys convert lactate back into glucose, which helps sustain energy production.

• A. i. False; ii. True
• B. i. True; ii. False
• C. i. False; ii. False
• D. i. True; ii. True

Answer: (B)