Biology 0610 · IGCSE · Gas exchange in humans

Gas exchange in humans — practice question

The diagram illustrates the human respiratory system. Which structures are labelled?

  • A1 bronchus; 2 bronchiole; 3 trachea
  • B1 bronchiole; 2 bronchus; 3 trachea
  • C1 trachea; 2 bronchus; 3 bronchiole
  • D1 trachea; 2 diaphragm; 3 bronchus

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI