Biology 5090 · O Level · Human gas exchange

Human gas exchange — practice question

What changes take place in the diaphragm and intercostal muscles as a person breathes in?

    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