IELTS reading detail Practice
Pasokan zat besi yang tidak memadai selama masa bayi dapat berdampak negatif pada penciptaan ..., pembawa pesan kimia yang digunakan oleh sel-sel saraf otak.
Question type: sentence completion · Difficulty: intermediate
- A. (A) hormon
- B. (B) neurotransmiter
- C. (C) koneksi sinaptik
- D. (D) membran neuron
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.