IELTS reading detail Practice
Un suministro inadecuado de hierro durante la infancia puede afectar negativamente la creación de ..., los mensajeros químicos utilizados por las células nerviosas del cerebro.
Question type: sentence completion · Difficulty: intermediate
- A. (A) hormonas
- B. (B) neurotransmisores
- C. (C) conexiones sinápticas
- D. (D) membranas neuronales
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.