Biology 5090 · O Level · Human gas exchange

Human gas exchange — practice question

Which structures contract so that we exhale forcefully during a sneeze?

  • Abronchioles
  • Bdiaphragm muscles
  • Cexternal intercostal muscles
  • Dinternal intercostal muscles

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