Biology 5090 · O Level · Heart

Heart — practice question

A student measures the thickness of the walls of the four chambers in a heart. The results are $15\text{ mm}$, $9\text{ mm}$, $3\text{ mm}$ and $3\text{ mm}$. Which row gives the correct chamber measurements for the heart?

    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