Question detail
Which option best explains lactic acid within Respiration?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Respiration
Question
- A. (HT only) blood transports lactic acid from muscles to the liver.
- B. Students often confuse the role of lactic acid in the body, thinking it is only produced during exercise without understanding its transport mechanism.
- C. It is not correct that (HT only) blood transports lactic acid from muscles to the liver.
- D. The idea only requires memorising the topic title for Respiration.
Answer
In this question, (HT only) blood transports lactic acid from muscles to the liver. is correct It stays aligned to the exact wording and meaning of the objective.
Explanation
In AQA-style practice, the correct answer must match the objective closely and use the science rather than filler wording. That is why (HT only) blood transports lactic acid from muscles to the liver. is the best option here. Linking the idea to a byproduct of anaerobic respiration in muscles, which can accumulate during intense exercise keeps the explanation specific.
Common mistake
Misunderstanding Lactic Acid Transport
Students often confuse the role of lactic acid in the body, thinking it is only produced during exercise without understanding its transport mechanism.
Emphasize that lactic acid is transported by the blood from the muscles to the liver, where it is processed, and clarify the importance of this transport in managing oxygen debt.
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