IELTS reading detail Practice
The passage states that omega-3 fatty acids are an important structural part of the brain's ...
Question type: sentence completion · Difficulty: intermediate
- A. thyroid gland
- B. myelin sheath
- C. neurotransmitters
- D. grey matter
Explanation Preview
Paragraph E specifies the role of DHA, an omega-3 fatty acid. It states clearly that 'DHA is a primary structural component of the brain's grey matter and the retina.' The other options are linked to different nutrients (iodine, iron).