Biology 9700 · AS & A Level · The gas exchange system

The gas exchange system — practice question

Which row indicates the effects of chronic bronchitis?

  • Alymph glands destroyed; alveoli damaged; bronchi inflamed; infection absent
  • Blymph glands destroyed; alveoli inflamed; bronchi scarred; infection absent
  • Clymph glands swollen; alveoli damaged; bronchi scarred; infection present
  • Dlymph glands swollen; alveoli inflamed; bronchi inflamed; infection present

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