IELTS reading detail Practice
嬰兒期鐵供應不足會對大腦神經細胞使用的化學信使...的產生產生負面影響。
Question type: sentence completion · Difficulty: intermediate
- A. (A) 荷爾蒙
- B. (B) 神經傳導物質
- C. (C) 突觸連接
- D. (D) 神經元膜
Explanation Preview
Paragraph C explains the role of iron in the brain. It says, 'It is a critical component of enzymes responsible for producing neurotransmitters—the chemical messengers that allow neurons to communicate.' This directly links iron to the production of neurotransmitters.